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Steganography using dynamic codes

09/520,926 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed March 8, 2000
Examiner ANDREW W JOHNS
Class 382
Art Group 2621
Patent No. 6,353,672
Case Type Utility - 382/100000
Status Patented Case
Parent 09/338,995 Patented
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, 5 months ago
Date # Transaction