Granted Patent
Utility
US 6,751,652 · App. 09/606,574
Intelligent end user devices for clearinghouse services in an internet telephony system
Inventor:
Stephen A. Thomas
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Jun 29, 2000
Inventor
Stephen A. Thomas
Assignee (at issue)
TRANSNEXUS, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.