Granted Patent
Utility
US 5,974,237 · App. 08/769,208
Communications network monitoring
Inventors:
John Gavin L'Estrerange Shurmer, Kathryn Elizabeth Burn-Thornton, Daniel Zlatin, Stephen Charles Cross, Reuben Oliver Wells
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Dec 18, 1996
Inventors
John Gavin L'Estrerange Shurmer
Kathryn Elizabeth Burn-Thornton
Daniel Zlatin
Stephen Charles Cross
Reuben Oliver Wells
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.