US Patent 7678515 Thermally gated photochromic medium
Patent 7678515 was granted and assigned to Xerox on March, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 12, 2008
Date of Patent
March 16, 2010
Patent Application Number
12190531
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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