Granted Patent
Utility
US 5,436,896 · App. 08/214,724
Conference bridge for packetized speech-signal networks
Inventors:
Thomas W. Anderson, Norman R. Tiedemann, Paul W. Vancil
Patented Case
View Patent ↗
Granted: Jul 25, 1995
Filed: Mar 17, 1994
Inventors
Thomas W. Anderson
Norman R. Tiedemann
Paul W. Vancil
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.