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AUTHENTICATION SYSTEM FOR IDENTIFICATION DOCUMENTS

10/77,641 | U.S. Patent Application

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Location ELECTRONIC
Filed Feb. 15, 2002
Examiner JOHN W HAYES
Class 705
Art Group 3621
Patent No. 6,920,437
Case Type Utility - 705/050000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/236,531 Patented
Parent 08/680,452 Patented
Child 11/48,209 Patented
Child 12/352,567 Patented
Child 13/38,095 Patented
Last Updated: 4 years ago
Date # Transaction