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STEGANOGRAPHIC ENCODING AND DECODING OF AUXILIARY CODES IN MEDIA SIGNALS

09/585,726 | U.S. Patent Application

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Location ELECTRONIC
Filed May 31, 2000
Examiner PAUL E CALLAHAN
Class 380
Art Group 2137
Patent No. 6,944,298
Case Type Utility - 380/205000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/496,380 Abandoned
Parent 08/951,858 Patented
Parent 08/436,134 Patented
Parent 08/327,426 Patented
Parent 08/215,289 Abandoned
Parent 08/154,866 Abandoned
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Last Updated: 4 years, 3 months ago
Date # Transaction