Granted Patent
Utility
US 5,778,003 · App. 08/413,381
Loop-back detection using out-of-band signalling
Inventors:
Gary J. Puppa, Bruce Nolan, Francois Bessette, Robert Hemmerich
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Mar 30, 1995
Inventors
Gary J. Puppa
Bruce Nolan
Francois Bessette
Robert Hemmerich
Assignee (at issue)
Newbridge Networks 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.