US Patent 11221479 Varifocal optical assembly providing astigmatism compensation
Patent 11221479 was granted and assigned to Facebook on January, 2022 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 11, 2019
Date of Patent
January 11, 2022
Patent Applicant
Patent Application Number
16680198
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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