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DOCUMENTS AND METHODS INVOLVING MULTIPLE WATERMARKS

10/858,820 | U.S. Patent Application

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Location ELECTRONIC
Filed June 1, 2004
Examiner WESLEY J TUCKER
Class 382
Art Group 2624
Patent No. 7,539,325
Case Type Utility - 382/100000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/12,703 Patented
Parent 09/433,104 Patented
Parent 09/234,780 Abandoned
Parent 60/71,983 Expired
Parent 10/379,393 Patented
Parent 09/442,440 Patented
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Last Updated: 4 years, 6 months ago
Date # Transaction