Download Docs
Export

TELEPHONE CALL CONTROL SYSTEM FOR THE PUBLIC SWITCHED TELEPHONE NETWORK

09/565,565 | 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 May 4, 2000
Examiner RASHA S AL AUBAIDI
Class 379
Art Group 2642
Patent No. 6,574,328
Case Type Utility - 379/224000
Status Patented Case
Child PCT/US01/14065 -
Child 10/426,279 Patented
Child 11/428,822 Patented
Child 11/428,825 Patented
Child 11/428,828 Patented
Child 11/948,965 Patented
Show All
Last Updated: 4 years, 6 months ago
Date # Transaction