Granted Patent
Utility
US 6,680,943 · App. 09/410,317
Establishing bi-directional communication sessions across a communications network
Inventors:
Mark Gibson, David John Stacey
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Oct 1, 1999
Inventors
Mark Gibson
David John Stacey
Assignee (at issue)
Nortel Networks Limited
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.