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Randall Chin

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Edits on 14 Dec, 2021
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edited on 14 Dec, 2021
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Patent primary examiner of
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US Patent 7086113 Seamless pipeline sphere and method of manufacture
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US Patent 7089622 Wring mop
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US Patent 7111351 Lint roller handle and cover
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US Patent 7111352 Cleaning brush structure with replaceable brush hair plate
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US Patent 7114213 Free-standing lint roller with case
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US Patent 7127773 Damp-wiping cloth, sponge or the like and method for its manufacture
‌
US Patent 7134162 Toothbrush having soft and hard bristles together
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US Patent 7140060 Apparatus for cleaning floor surfaces
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US Patent 7140061 System for preserving paintbrush bristles
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US Patent 7140062 Brush structure for vacuum cleaner
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US Patent 7143461 Sweeping appliance
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US Patent 7146674 Rotary probe for cleaning an internal cavity
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US Patent 7155770 Cleaning implement having a scraper and a pivoting squeegee with broom
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US Patent 7159263 Flexible plate for swimming pool suction cleaner
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US Patent 7159951 Method of manufacturing a brush
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US Patent 7162764 Toothbrush
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US Patent 7165284 Water jet reversing propulsion and directional controls for automated swimming pool cleaners
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US Patent 7168121 Electric folding toothbrush
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US Patent 7174596 Toothbrush and process for producing such a toothbrush
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US Patent 7174597 Paint roller assembly
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US Patent 7174601 Mopping system and method of use
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US Patent 7178190 Extendable improved cleaning system and method
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US Patent 7178193 Cloth accessory
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US Patent 7181799 Oral-care device and system
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US Patent 7181801 Absorbent structure for cleaning surfaces
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US Patent 7181802 Device for applying paint onto surfaces
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US Patent 7185383 Brush section for a powered toothbrush
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US Patent 7185384 Wafer cleaning brush
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US Patent 7185386 Paintbrush with interchangeable bristle head
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US Patent 7185388 Power wave floor squeegee and handle connector
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US Patent 7188384 Lint removal apparatus with pull tab for adhesive coated sheets
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US Patent 7188386 Manual cleaning device
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US Patent 7194780 Kiln cleaning apparatus
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US Patent 7200890 Apparatus for preparing the welding region on the outer surface of plastic pipes
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US Patent 7200891 Tool cleaning brush assembly
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US Patent 7207080 Dental cleaning device
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US Patent 7211155 Apparatuses and methods for cleaning test probes
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US Patent 7213291 Cleaning device
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US Patent 7214310 Portable pool cleaning system
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US Patent 7219388 Multi-purpose cleaning sleeve with flap
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US Patent 7222383 Torque limiting drive pulley for a belt driven drain cleaning machine
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US Patent 7225496 Multilayer scrub pad
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US Patent 7225499 Mop press
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US Patent 7228583 Electric toothbrush housing design
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US Patent 7228586 Multilayer scrub pad
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US Patent 7228587 Cleaning article
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US Patent 7231685 Cleaning article
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US Patent 7234185 Apparatus for removing particles
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US Patent 7234186 Rim cleaning apparatus
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US Patent 7234187 Electric toothbrush
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US Patent 7234188 Lint removal apparatus with edge orientation
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US Patent 7234189 Cleaning implement
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US Patent 7234192 Compact disposable finger-mount toothbrush
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US Patent 7234193 Cleaning article
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US Patent 7234194 Cleaning article
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US Patent 7237296 Cleaning article
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US Patent 7237297 Cleaning article
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US Patent 7241413 Method for producing a hollow handle for a teeth cleaning device
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US Patent 7243391 Cleaning article
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US Patent 7246399 Mop head retaining clamp
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US Patent 7249392 Self wiping toiletry device
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US Patent 7254857 Power toothbrush with unique handle
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US Patent 7254858 Interdental treatment device with vibrating head part
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US Patent 7254863 Single action mop wringer
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US Patent 7257854 Reversible cleaning bonnet
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US Patent 7261851 Personal hygiene article with vibrating part and method
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US Patent 7263740 Combination squeegee and hand trowel tool
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US Patent 7266857 Foot scrubbing apparatus
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US Patent 7281291 Paint roller tool for corners
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US Patent 7281292 Combination paint roller frame and scraper
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US Patent 7281768 Manufacturing method and apparatus of brush
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US Patent 7284292 Scrub brush implement
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US Patent 7284293 Article and method for cleaning uneven, variable geometry surfaces of electronic devices, internal electronic assemblies, or the like
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US Patent 7287297 Pressure pad for cleaning fabric
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US Patent 7293315 Delay and accelerating mechanism for a wrap-around brush assembly in a vehicle washing apparatus
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US Patent 7293317 Holding device and cleaning tool with the holding device
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US Patent 7293318 Hollow toothbrush adapted for fluid draining
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US Patent 7296320 Rotary buffing device using extending material
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US Patent 7297303 Process of injection molding composite articles and toothbrush obtainable thereby
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US Patent 7302729 Cleaning article
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US Patent 7302730 Cleaning article
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US Patent 7305733 Golf club head groove cleaning tool
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US Patent 7308728 Toilet cleaning implement
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US Patent 7310847 Dual functional cleaning article
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US Patent 7310850 In-between toe massager or cleaner with spatulate extensions
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US Patent 7328473 Swimming pool vacuum hose attachment for spot cleaning
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US Patent 7328475 Centre line multidimensional suspension system
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US Patent 7331081 Trowel blade
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US Patent 7334284 Surface cleaning apparatus
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US Patent 7334287 Cleaning article
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US Patent 7337488 Roller hub with cover and loading device
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US Patent 7350258 Extendable improved cleaning system and method
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US Patent 7354112 Toothbrush and process for producing such a toothbrush
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US Patent 7356866 Modular electric toothbrushes
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US Patent 7356867 Rotatable vehicle rim cleaning device
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US Patent 7356869 Flexible cleaning tool with replaceable non-woven pad
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US Patent 7363674 Fan blade cleaning tool and method
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US Patent 7377000 Toothbrush
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US Patent 7386908 Structured foam pig
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US Patent 7395574 Lint removal apparatus with edge orientation
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US Patent 7395575 Contact lens treatment apparatus having lens capture projections
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US Patent 7401372 Swimming pool cleaning apparatus
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US Patent 7404228 Paint roller frame
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US Patent 7409740 Pool mop
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US Patent 7412746 Single action mop wringer
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US Patent 7413614 Cloth accessory
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US Patent 7416610 Cloth accessory
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US Patent 7418759 Toothbrush and process for producing the same
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US Patent 7419225 Brush head for an electric toothbrush
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US Patent 7428766 Powered toothbrush
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US Patent 7430776 Toothbrush with resilient head section
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US Patent 7430778 Powered toothbrush
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US Patent 7430781 Window blind cleaning system
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US Patent 7434287 Removable wall-mounted back scrubber
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US Patent 7434290 Extension part and sweeper body for weed mowers
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US Patent 7437793 Spiked golf shoe cleaning brush
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US Patent 7437795 Mop bucket assembly
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US Patent 7441296 Motorized interdental toothbrush
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US Patent 7441297 Reciprocating interdental toothbrush
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US Patent 7441300 Interdental toothbrush
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US Patent 7442259 Cloth accessory
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US Patent 7444709 Dual head interdental toothbrush
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US Patent 7445295 Toothbrush and process for producing such a toothbrush
‌
US Patent 7448693 Toothbrush having needle-shaped bristle tapered at one end and manufacturing method thereof
‌
US Patent 7451513 Back-scrubbing and cleansing apparatus
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US Patent 7451518 Multi-roller applicator for painting
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US Patent 7451519 Sheet holding structure and cleaner having the same
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US Patent 7458123 Apparatuses and methods for cleaning test probes
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US Patent 7458129 Mop bucket
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US Patent 7458647 Toothbrush and process for producing such a toothbrush
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US Patent 7472448 Toothbrush with adjustable hand grip
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US Patent 7472449 Reversible wall-mounted pillow with textured scrubbing surfaces
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US Patent 7472450 Multi-color faux art palette system
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US Patent 7472965 Toothbrush and process for producing the same
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US Patent 7475447 Swimming pool bottom cleaning device
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US Patent 7483356 Universal media disc cleaning/repairing device
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US Patent 7487566 Adhesive roller
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US Patent 7487567 Flat mop cover for a mopping device, in particular for floor cleaning
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US Patent 7490380 Cleaning tool for photographic device
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US Patent 7490382 Child's sized disposable article
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US Patent 7496984 Floor cleaning apparatus with elongate handle and handle extension
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US Patent 7496986 Barber hair or hair stylist clean up hair broom
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US Patent 7506397 Cleaning sheet
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US Patent 7509703 Roller hub with cover and loading device
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US Patent 7509705 Dustpan having interlockable mating grooves and channels to facilitate stacking together at least two dustpans
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US Patent 7516507 Integrated megasonic cascade scrubber module and process
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US Patent 7520571 Toothbrush and process for producing such a toothbrush
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US Patent 7526828 Toothbrush
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US Patent 7530137 Apparatus for applying paint along hard-to-reach surfaces
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US Patent 7533435 Floor treatment apparatus
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US Patent 7533437 Swivel painting tool
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US Patent 7540055 Cleaning cards for internal surfaces of machine components
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US Patent 7540063 Combination mop wringer and bucket system
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US Patent 7543348 Bottle cleaning device and methods of operation
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US Patent 7543351 Cleanroom mopping system
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US Patent 7552497 Powered toothbrush with rotating sections
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US Patent 7552506 Filter assembly for vacuum cleaner
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US Patent 7553379 Apparatus and method for removing debris from a tool
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US Patent 7555801 Floor cleaning machine
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US Patent 7555808 Vacuum cleaner having a cyclone dust collecting apparatus
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US Patent 7556320 Personal hygiene article with vibrating part and method
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US Patent 7559111 Apparatus for cleaning a rubbing cloth
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US Patent 7562412 Battery powered riding floor stripping machine
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US Patent 7571508 Portable cleaning device
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US Patent 7574765 Toothbrush and process for producing the same
‌
US Patent 7578021 Foot and back washing apparatus and associated method
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US Patent 7581274 Handle for a floor cleaning implement
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US Patent 7581286 Vacuum cleaner and dust collection unit thereof
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US Patent 7584518 Attachment mechanism to removably and securely retain a cleaning implement attachment on a butterfly sponge mop
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US Patent 7594291 Paint brush cleaning device
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US Patent 7596827 Toothbrush with indicator of use
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US Patent 7600287 Collapsible broom and dustpan
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US Patent 7607193 Combination ticket scratching device and money clip
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US Patent 7614110 Wet sheet for cleaning
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US Patent 7617559 Stem structure of cleaning brush
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US Patent 7621015 Method and device for cleaning teeth
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US Patent 7621017 Paint roller tray provided with two surfaces for rolling paint off a roller
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US Patent 7624467 Dental cleaning device
‌
US Patent 7631385 Automotive cleaning device
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US Patent 7631388 Hand-guided sweeper
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US Patent 7635010 Cement equipment washout system
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US Patent 7640618 Cleaning article
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US Patent 7640621 Thermal protection system for electrical appliance
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US Patent 7647665 Apparatus and method for cleaning control rod drive mechanism
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US Patent 7653961 Glass cleaning device
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US Patent 7661172 Dental cleaning device
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US Patent 7665176 Child's sized disposable article
‌
US Patent 7665179 Adjustable wire rope cleaning device
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US Patent 7666263 Device to catch and retrieve foam pellets
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US Patent 7673360 Dental cleaning device
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US Patent 7673363 Adhesive roller
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US Patent 7676877 Cleaning implements and substrates for cleaning surfaces
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US Patent 7676879 Battery-powered sewer and drain cleaner
‌
US Patent 7685667 Post-CMP cleaning system
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US Patent 7690067 Brush attachment for an electric toothbrush
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US Patent 7690070 Bi-pole cleaning device
‌
US Patent 7690071 Rotary brush apparatus
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US Patent 7690733 Method for tufting bristles and brush using the same
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US Patent 7698769 Device to catch and retrieve foam pellets
‌
US Patent 7698771 Electric toothbrush
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US Patent 7698773 Holder for hygienic wipes and the like
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US Patent 7707679 Squeegee device
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US Patent 7716776 Flat mop for use with wipers for controlled environments
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US Patent 7721374 Debris/load leveling system
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US Patent 7721379 Small-diameter resin twisted brush
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US Patent 7725972 Toothbrush
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US Patent 7725976 Apparatus and method for the automated cleaning of articles
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US Patent 7725981 Toothbrush
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US Patent 7725982 Hinged corner trowel
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US Patent 7730571 Push broom bracket assembly
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US Patent 7730574 Cleaning apparatus that is worn over a hand
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US Patent 7735178 Methods and apparatus for cleaning surfaces
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US Patent 7743447 Toothbrush assembly having an environmentally safe polymer battery
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US Patent 7743448 Device and system with moving squeegee fields
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US Patent 7743458 Collapsible broom and dustpan
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US Patent 7748071 Personal care article with vibrating head part
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US Patent 7748073 Sweeping device
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US Patent 7752697 Sealed box apparatus for pool cleaning machine
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US Patent 7752699 Tubing preparation machine
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US Patent 7761948 Waste line inspection and clean-out tool
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US Patent 7765640 Vacuum cleaner cord management system
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US Patent 7770251 Method and device for cleaning teeth
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US Patent 7774886 Method and device for cleaning teeth
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US Patent 7774888 Child's music-playing toothbrush configured for attractive display of graphics and improved sound quality
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US Patent 7784138 Device for converting a rotating motion into a reciprocating motion and an electric tool assembly having such a device
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US Patent 7784139 Surface treating device with cartridge-based cleaning system
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US Patent 7784142 Adjustable roller frame
‌
US Patent 7788756 Brush part for electric toothbrush
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US Patent 7793376 Truck mounted rotating broom system
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US Patent 7797782 Handle having a ribbed gel grip
‌
US Patent 7797790 Dust collector of vacuum cleaner
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US Patent 7805801 Apparatus for cleaning a rubbing cloth
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US Patent 7810207 Cleaning assembly for a shaft
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US Patent 7814608 Scraping system
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US Patent 7823241 System for cleaning a wafer
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US Patent 7823243 Toothbrush
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US Patent 7827643 Automated swimming pool cleaner with stationary projecting pivot member
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US Patent 7827644 Toothbrush with resilient head section
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US Patent 7832043 Toothbrush
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US Patent 7832044 Floor mat with scraping and wiping characteristics
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US Patent 7832811 Method of manufacturing toothbrush with needle-shaped bristles and toothbrush manufactured by the same
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US Patent 7841035 Disc cleaning machinery, disc cleaning device thereof and rotary brush thereof
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US Patent 7845039 Toothbrush with severable electrical connections
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US Patent 7845043 Foot-worn scrubbing apparatus
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US Patent 7856692 Offset taping knife
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US Patent 7861349 Method and device for cleaning teeth
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US Patent 7882589 Cleanroom mopping system
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US Patent 7882590 Double-sided media cleaning apparatus and method
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US Patent 7891036 Multi-function power washer
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US Patent 7891039 Cleaning apparatus with fast wringing ability
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US Patent 7900308 Water jet reversing propulsion and directional controls for automated swimming pool cleaners
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US Patent 7900309 Powered toothbrush
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US Patent 7900311 Wafer edge cleaning
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US Patent 7904987 Cleaning tool
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US Patent 7906051 Foam buffing pad with random or strategically placed collapsed cell structures
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US Patent 7908702 Caulk remover and smoother
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US Patent 7913346 Substrate treatment apparatus and substrate treatment method
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US Patent 7917988 Apparatus and a method of applying a dry film lubricant to a rotor slot
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US Patent 7921501 Eraser for blackboard
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US Patent 7921505 Collapsible broom and dustpan
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US Patent 7937792 Pole scrubber
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US Patent 7941888 Apparatus for cleaning a woodwind instrument
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US Patent 7942977 Moon trowel
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US Patent 7942979 Process and apparatus for cleaning wires or the outer surface of a tube
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US Patent 7945982 Mop structure
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US Patent 7950098 Support unit for a scraper and method for positioning the support elements of a scraper
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US Patent 7954192 Powered toothbrush with rotating sections
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US Patent 7958588 Variable speed tooth polishing system
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US Patent 7958593 Wiper mechanism
‌
US Patent 7971304 Optical fiber connector cleaner, and method of cleaning optical fiber connector connection surface
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US Patent 7971305 Methods and apparatus for cleaning surfaces
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US Patent 7971306 Subsea conduit cleaning tool
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US Patent 7971307 Device for cleaning tubes
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US Patent 7975339 Aquatic scrubber
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US Patent 7979939 Dental cleaning device
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US Patent 7985073 Method and device for cleaning teeth
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US Patent 7987543 Working method and cleaning device to clean a swimming pool
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US Patent 7987544 Brushhead attachment system for a power toothbrush
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US Patent 7987545 Method and device for cleaning teeth
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US Patent 7987546 Cleaning machine
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US Patent 7987547 Cleansing pad
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US Patent 7988238 Toothbrush and process for producing such a toothbrush
‌
US Patent 7996946 Cleaning projectile verification system
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US Patent 7996950 Sponge product
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US Patent 7997386 Apparatus and a method of applying a dry film lubricant to a rotor slot
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US Patent 8001644 Cymbal polishing device and method
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US Patent 8001647 Flocked foam applicator
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US Patent 8011051 Toilet bowl cleaning assembly
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US Patent 8011052 Device for cleaning multidiameter pipelines
Edits on 8 Dec, 2021
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US Patent 8011051 Toilet bowl cleaning assembly
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US Patent 8001644 Cymbal polishing device and method
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Infobox
Patent primary examiner of
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US Patent 8001647 Flocked foam applicator
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Infobox
Patent primary examiner of
‌
US Patent 7997386 Apparatus and a method of applying a dry film lubricant to a rotor slot
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Infobox
Patent primary examiner of
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US Patent 7996950 Sponge product
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Infobox
Patent primary examiner of
‌
US Patent 7996946 Cleaning projectile verification system
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edited on 8 Dec, 2021
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Infobox (+1 properties)
Infobox
Patent primary examiner of
‌
US Patent 7988238 Toothbrush and process for producing such a toothbrush
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Golden AI
edited on 8 Dec, 2021
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Infobox (+1 properties)
Infobox
Patent primary examiner of
‌
US Patent 7987544 Brushhead attachment system for a power toothbrush
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Patent primary examiner of
‌
US Patent 7987547 Cleansing pad
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Patent primary examiner of
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US Patent 7987545 Method and device for cleaning teeth
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Patent primary examiner of
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US Patent 7987546 Cleaning machine
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Patent primary examiner of
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US Patent 7987543 Working method and cleaning device to clean a swimming pool
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Patent primary examiner of
‌
US Patent 7985073 Method and device for cleaning teeth
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Patent primary examiner of
‌
US Patent 7979939 Dental cleaning device
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Patent primary examiner of
‌
US Patent 7975339 Aquatic scrubber
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Patent primary examiner of
‌
US Patent 7971306 Subsea conduit cleaning tool
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Patent primary examiner of
‌
US Patent 7971307 Device for cleaning tubes
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US Patent 7971305 Methods and apparatus for cleaning surfaces
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