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CONTROLLER FOR A TELEPHONE SYSTEM WITH CODE SCREENING OF INCOMING CALLS

08/455,083 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed May 31, 1995
Examiner SCOTT LOUIS WEAVER
Class 379
Art Group 2742
Patent No. 5,751,760
Case Type Utility - 379/210000
Status Patented Case
Parent 08/249,453 Patented
Parent 07/480,242 Patented
Parent 07/439,601 Abandoned
Parent 06/841,931 Patented
Parent 06/650,821 Abandoned
Last Updated: 4 years, 7 months ago
Date # Transaction