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US Patent 11442222 Evacuated gratings and methods of manufacturing

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
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Current Assignee
Digilens, Inc
Digilens, Inc
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Date Filed
August 28, 2020
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Date of Patent
September 13, 2022
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Patent Applicant
Digilens, Inc
Digilens, Inc
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Patent Application Number
17006569
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Patent Citations
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US Patent 10185154 Laser despeckler based on angular diversity
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US Patent 10197804 Refractive coating for diffractive optical elements
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US Patent 10209517 Holographic waveguide eye tracker
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US Patent 10216061 Contact image sensor using switchable bragg gratings
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US Patent 10234696 Optical apparatus for recording a holographic device and method of recording
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US Patent 10241330 Method and apparatus for generating input images for holographic waveguide displays
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US Patent 10241332 Reducing stray light transmission in near eye display using resonant grating filter
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US Patent 10281725 Light flux diameter expanding element and image display device
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US Patent 10330777 Holographic waveguide lidar
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US Patent 10345519 Integrated optical beam steering system
•••
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11442222
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Patent Primary Examiner
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Ellen E. Kim
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CPC Code
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G02B 6/29302
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G02B 5/1857
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G02B 6/02076
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G02B 6/34
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G02B 27/0172
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G02B 6/12023
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