US Patent 7181042 Digital authentication with digital and analog documents
Patent 7181042 was granted and assigned to Digimarc on February, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 9, 2003
0
Date of Patent
February 20, 2007
0
Patent Application Number
10683560
0
Patent Inventor Names
Jun Tian
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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