Granted Patent
Utility
US 6,411,989 · App. 09/221,069
Apparatus and method for sharing information in simultaneously viewed documents on a communication system
Inventors:
Vinod Anupam, Narain H. Gehani, Viswanath Kadambari
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Dec 28, 1998
Inventors
Vinod Anupam
Narain H. Gehani
Viswanath Kadambari
Assignee (at issue)
LUCENT 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.