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THIRD PARTY AUTHENTICATION OF FILES IN DIGITAL SYSTEMS

10/657,221 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 9, 2003
Examiner BRANDON S HOFFMAN
Class 713
Art Group 2436
Patent No. 7,536,554
Case Type Utility - 713/176000
Status Patented Case
Parent 10/167,697 Patented
Parent 09/694,472 Patented
Parent 09/190,219 Patented
Parent 60/65,533 Expired
Parent 60/85,427 Expired
Parent 60/100,962 Expired
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Last Updated: 4 years, 7 months ago
Date # Transaction