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TELEPHONE CONTROL SYSTEM WITH BRANCH ROUTING

07/480,242 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Feb. 15, 1990
Examiner MICHAEL B CHERNOFF
Class 379
Art Group 2608
Patent No. 5,375,161
Case Type Utility - 379/057000
Status Patented Case
Parent 07/439,601 Abandoned
Parent 06/841,931 Patented
Parent 06/650,821 Abandoned
Child 08/210,347 Patented
Child 08/249,453 Patented
Child 08/273,008 Patented
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Last Updated: 5 years, 7 months ago
Date # Transaction