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US Patent 10845597 Pancake lenses using Fresnel surfaces

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Patent Citations Received
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US Patent 11703623 Wide-angle compensation of uniaxial retarder stacks
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https://pdfpiw.uspto.gov/.piw?Docid=1084559700
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US Patent 11619817 Pancake lenses using Fresnel surfaces
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US Patent 11543669 Wide angle variable neutral density filter
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Patent citations received
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US Patent 11320665 Retarder stack pairs for polarization basis vector transformations
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US Patent 11294113 Wide-angle compensation of uniaxial retarder stacks
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US Patent 11269123 Hollow triple-pass optical elements
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US Patent 11249355 Color switch for reduced color cross-talk
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 US Patent 10845597 Pancake lenses using Fresnel surfaces

Infobox
Is a
Patent
Patent
Patent applicant
Facebook
Facebook
Current assignee
Facebook
Facebook
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
10845597
Date of patent
November 24, 2020
Patent application number
15993316
Date Filed
May 30, 2018
Patent primary examiner
‌
George G King

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