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HALFTONE WATERMARKING AND RELATED APPLICATIONS

10/781,056 | U.S. Patent Application

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Location ELECTRONIC
Filed Feb. 17, 2004
Examiner ABOLFAZL TABATABAI
Class 382
Art Group 2625
Patent No. 7,020,349
Case Type Utility - 382/289000
Status Patented Case
Parent 09/689,226 Patented
Last Updated: 4 years, 3 months ago
Date # Transaction