US Patent 9454021 Contact lenses
Patent 9454021 was granted and assigned to Optometric Technology Group Limited on September, 2016 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 18, 2012
Date of Patent
September 27, 2016
Patent Application Number
13980279
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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