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ASSESSING QUALITY OF SERVICE USING DIGITAL WATERMARK INFORMATION

12/692,470 | U.S. Patent Application

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Location ELECTRONIC
Filed Jan. 22, 2010
Examiner KHANH C TRAN
Class 375
Art Group 2611
Patent No. 8,130,811
Case Type Utility - 375/316000
Status Patented Case
Parent 11/866,145 Patented
Parent 09/951,143 Patented
Parent 09/938,870 Patented
Parent 09/840,016 Patented
Parent 09/731,456 Patented
Parent 60/232,163 Expired
Last Updated: 4 years, 7 months ago
Date # Transaction