US Patent 9334439 Photochromic articles that include photochromic-dichroic materials
Patent 9334439 was granted and assigned to Transitions Optical on May, 2016 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 15, 2013
Date of Patent
May 10, 2016
Patent Applicant
Patent Application Number
13835413
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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