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METHODS AND SYSTEMS FOR ENCODING AND PROTECTING DATA USING DIGITAL SIGNATURE AND WATERMARKING TECHNIQUES

13/340,801 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 30, 2011
Examiner DEVIN E ALMEIDA
Class 713
Art Group 2432
Patent No. 8,452,972
Case Type Utility - 713/176000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 12/788,118 Patented
Parent 11/500,854 Patented
Parent 11/209,238 Patented
Parent 10/897,001 Patented
Parent 09/588,652 Patented
Parent 60/138,171 Expired
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Last Updated: 1 year, 5 months ago
Date # Transaction