Granted Patent
Utility
US 5,889,765 · App. 08/798,773
Bi-directional communications network
Inventor:
Graeme Gibbs
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Feb 11, 1997
Inventor
Graeme Gibbs
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.