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STEGANOGRAPHY METHODS EMPLOYING EMBEDDED CALIBRATION DATA

90/5,827 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Oct. 20, 2000
Examiner ANDREW W JOHNS
Class 382
Art Group 2665
Case Type Re-Examination - 382/232000
Status Reexamination Certificate Issued
Parent 08/436,098 Patented
Last Updated: 5 years ago
Date # Transaction