Granted Patent
Utility
US 5,748,711 · App. 08/472,150
Telephone transaction processing as a part of call transport
Inventor:
Gordon F. Scherer
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Jun 7, 1995
Inventor
Gordon F. Scherer
Assignee (at issue)
Matrixx Marketing 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.