US Patent 7290404 Gemstone material
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Patent abstract
The invention provides a gemstone material having therein embedded a plurality of dichroic particles. Methods of producing the gemstone material are also provided. The gemstone material can be provided in the form of a slab, faceted gemstone, or cabochon.
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US Patent 07290404 Gemstone material US Patent 7290404 Gemstone material
Infobox
Patent Number
0729040400
Patent Number
729040400
Edits on 6 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
072904040
Date of Patent
November 6, 2007
0Patent Application Number
106189590
Date Filed
July 14, 2003
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
072904040
Date of Patent
November 6, 2007
0Patent Application Number
106189590
Date Filed
July 14, 2003
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
Golden AI
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US Patent 07290404 Gemstone material
Infobox
Is a
Patent jurisdiction
Patent number
07290404
Date of patent
November 6, 2007
Patent application number
10618959
Date Filed
July 14, 2003
Patent primary examiner
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