US Patent 9568651 View angle-restricting sheet and flat panel display
Patent 9568651 was granted and assigned to Keiwa College on February, 2017 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 27, 2013
Date of Patent
February 14, 2017
Patent Applicant
Patent Application Number
14388387
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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