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ENCODING AND DECODING METHODS IN WHICH DECRYPTION DATA IS CONVEYED STEGANOGRAPHICALLY WITHIN AUDIO OR VISUAL CONTENT

10/318,345 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Dec. 9, 2002
Examiner ANDREW W JOHNS
Class 382
Art Group 2621
Patent No. 6,768,808
Case Type Utility - 382/100000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/56,276 Patented
Parent 09/520,926 Patented
Parent 09/338,995 Patented
Parent 08/951,858 Patented
Parent 08/436,134 Patented
Parent 08/327,426 Patented
Last Updated: 4 years, 9 months ago
Date # Transaction