US Patent 7446891 Fragile watermark for detecting printed image copies
Patent 7446891 was granted and assigned to Pitney Bowes on November, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 24, 2003
Date of Patent
November 4, 2008
Patent Application Number
10720664
Patent Jurisdiction
Patent Number
Patent Primary Examiner
Find more entities like US Patent 7446891 Fragile watermark for detecting printed image copies
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
