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Personal document authentication system using watermarking

10/326,575 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 20, 2002
Examiner JEFFREY D POPHAM
Class 713
Art Group 2491
Case Type Utility - 713/176000
Status Abandoned -- After Examiner's Answer or Board of Appeals Decision
Parent 09/837,564 Abandoned
Parent 60/198,138 Expired
Parent 60/198,849 Expired
Parent 10/11,129 Patented
Parent 09/442,780 Patented
Parent 60/109,259 Expired
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Last Updated: 4 years, 5 months ago
Date # Transaction