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TANDEM ACCESS CONTROLLER WITHIN THE PUBLIC SWITCHED TELEPHONE NETWORK

11/428,828 | U.S. Patent Application

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Location ELECTRONIC
Filed July 5, 2006
Examiner CREIGHTON H SMITH
Class 379
Art Group 2614
Patent No. 7,587,036
Case Type Utility - 379/142020
Status Patented Case
Parent 10/426,279 Patented
Parent 09/565,565 Patented
Last Updated: 1 year, 10 months ago
Date # Transaction