US Patent 8121843 Fingerprint methods and systems for media signals
Patent 8121843 was granted and assigned to Digimarc on February, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 23, 2007
0
Date of Patent
February 21, 2012
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Patent Application Number
11738973
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Patent Inventor Names
Geoffrey B. Rhoads
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Kenneth L. Levy
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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