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TWO WIRE EXCHANGE SYSTEM

09/967,573 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 28, 2001
Examiner ROBERT J MENDOZA
Class 463
Art Group 3713
Patent No. 6,863,611
Case Type Utility - 463/042000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child 11/72,742 Patented
Child 11/549,434 Abandoned
Child 11/735,333 Patented
Child 11/92,179 Abandoned
Last Updated: 4 years, 3 months ago
Date # Transaction