US Patent 7661863 Prism sheet including reflective elements with different curvature surfaces
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Patent abstract
A prism sheet, including a reflective surface having a first side formed by at least a small curvature surface and a surface different from the small curvature surface, and a second side formed by a planar surface.
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US Patent 07661863 Prism sheet including reflective elements with different curvature surfaces US Patent 7661863 Prism sheet including reflective elements with different curvature surfaces
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Patent Number
0766186300
Patent Number
766186300
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
076618630
Date of Patent
February 16, 2010
0Patent Application Number
104947470
Date Filed
November 5, 2002
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
076618630
Date of Patent
February 16, 2010
0Patent Application Number
104947470
Date Filed
November 5, 2002
0Official Website
Patent Primary Examiner
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US Patent 07661863 Prism sheet including reflective elements with different curvature surfaces
Infobox
Is a
Patent jurisdiction
Patent number
07661863
Date of patent
February 16, 2010
Patent application number
10494747
Date Filed
November 5, 2002
Patent primary examiner
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