Granted Patent
Utility
US 6,237,042 · App. 09/216,352
Method and apparatus for detecting unstable token ring local area networks
Inventor:
Ronald E. Kolb
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Dec 18, 1998
Inventor
Ronald E. Kolb
Assignee (at issue)
NCR Corporation
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.