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DIGITAL WATERMARKS AND METHODS FOR SECURITY DOCUMENTS

09/975,739 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Oct. 10, 2001
Examiner ANDREW W JOHNS
Class 382
Art Group 2621
Patent No. 6,750,985
Case Type Utility - 382/100000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/127,502 Patented
Parent 08/967,693 Patented
Parent 08/614,521 Patented
Parent 08/215,289 Abandoned
Parent 08/649,419 Patented
Parent 60/82,228 Expired
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Last Updated: 4 years, 2 months ago
Date # Transaction