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WATERMARKING TO CONVEY AUXILIARY INFORMATION, AND MEDIA EMBODYING SAME

11/670,852 | U.S. Patent Application

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Location ELECTRONIC
Filed Feb. 2, 2007
Examiner ANDREW W JOHNS
Class 713
Art Group 2624
Patent No. 7,702,511
Case Type Utility - 713/176000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/400,159 Patented
Parent 09/441,819 Patented
Parent 08/951,858 Patented
Parent 08/436,134 Patented
Child 12/763,847 Patented
Last Updated: 2 years, 6 months ago
Date # Transaction