Granted Patent
Utility
US 5,659,540 · App. 08/573,244
Apparatus and method for detection of operation administration and management (OAM) cell loopback and physical loopbacks in an asynchronous transfer mode (ATM) network
Inventors:
David X. Chen, Deepak Mathur, L. David Danenberg
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Dec 15, 1995
Inventors
David X. Chen
Deepak Mathur
L. David Danenberg
Assignee (at issue)
General DataComm, Inc.
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.