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HIDING AND DETECTING AUXILIARY DATA IN MEDIA MATERIALS AND SIGNALS

12/577,964 | U.S. Patent Application

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Location ELECTRONIC
Filed Oct. 13, 2009
Examiner ANDREW W JOHNS
Class 358
Art Group 2624
Patent No. 7,916,354
Case Type Utility - 358/003280
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 11/752,137 Patented
Parent 11/317,474 Patented
Parent 10/617,571 Patented
Parent 09/872,199 Patented
Parent 09/520,406 Patented
Parent 09/338,995 Patented
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Last Updated: 2 years, 6 months ago
Date # Transaction