Download Docs
Export

TELEPHONE CONTROL SYSTEM WHICH CONNECTS A CALLER WITH A SUBSCRIBER AT A TELEPHONE ADDRESS

08/354,200 | U.S. Patent Application

Interested in this case?

Request a Demo Track this case, and find millions of cases like it, let us show you how.
Location FILE REPOSITORY (FRANCONIA)
Filed Dec. 12, 1994
Examiner WILLIAM D CUMMING
Class 455
Art Group 2744
Patent No. 5,752,191
Case Type Utility - 455/445000
Status Patented Case
Parent 08/310,908 Patented
Parent 08/210,347 Patented
Parent 07/480,242 Patented
Parent 07/439,601 Abandoned
Parent 06/841,931 Patented
Parent 06/650,821 Abandoned
Show All
Last Updated: 5 years, 6 months ago
Date # Transaction