Granted Patent
Utility
US 5,504,736 · App. 07/946,001
Non-invasive link monitor
Inventor:
Richard J. Cubbison, Jr.
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Sep 15, 1992
Inventor
Richard J. Cubbison, Jr.
Assignee (at issue)
AT&T CORP.
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.