Granted Patent
Utility
US 5,506,893 · App. 08/346,314
Telecommunication network arrangement for providing real time access to call records
Inventors:
Thomas H. BUSCHER, Teresa J. Coutre, Marianne J. Franklin, Brian Freeman, Wayne E. Relyea, Edward Nicholas Shipley
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Nov 29, 1994
Inventors
Thomas H. BUSCHER
Teresa J. Coutre
Marianne J. Franklin
Brian Freeman
Wayne E. Relyea
Edward Nicholas Shipley
Assignee (at issue)
AT&T CORP.
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.