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ASSESSING QUALITY OF SERVICE USING DIGITAL WATERMARK INFORMATION

11/866,145 | U.S. Patent Application

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Location ELECTRONIC
Filed Oct. 2, 2007
Examiner KHANH C TRAN
Class 375
Art Group 2611
Patent No. 7,656,930
Case Type Utility - 375/130000
Status Patented Case
Parent 09/951,143 Patented
Child 12/692,470 Patented
Last Updated: 4 years, 5 months ago
Date # Transaction