Granted Patent
Utility
US 6,208,864 · App. 09/223,464
Establishing calls and processing on-going calls in fixes and cellular networks
Inventors:
Prathima Agrawal, Parameswaran Ramanathan
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Dec 30, 1998
Inventors
Prathima Agrawal
Parameswaran Ramanathan
Assignee (at issue)
Telcordia Technologies, 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.