Granted Patent
Utility
US 6,175,553 · App. 08/879,732
Method and apparatus for locating and isolating a fault within a token ring network
Inventors:
Wilson C. W. Luk, Keith S. Fischer, Kenrick M. Kutzler
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jun 20, 1997
Inventors
Wilson C. W. Luk
Keith S. Fischer
Kenrick M. Kutzler
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.