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HIDING INFORMATION OUT-OF-PHASE IN COLOR CHANNELS

10/115,444 | U.S. Patent Application

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Location ELECTRONIC
Filed April 2, 2002
Examiner KANJIBHAI B PATEL
Class 382
Art Group 2625
Patent No. 6,891,959
Case Type Utility - 382/100000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/945,243 Patented
Parent 09/933,863 Patented
Parent 09/898,901 Patented
Parent 09/553,084 Patented
Parent 60/356,881 Expired
Child PCT/US02/20832 Published
Last Updated: 4 years, 4 months ago
Date # Transaction