Granted Patent
Utility
US 4,347,600 · App. 06/156,150
Monitored muldem with self test of the monitor
Inventors:
Ned E. Abbott, Hampapur R. Keshavan, Robert J. McGuire
Patented Case
View Patent ↗
Granted: Aug 31, 1982
Filed: Jun 3, 1980
Inventors
Ned E. Abbott
Hampapur R. Keshavan
Robert J. McGuire
Assignee (at issue)
Rockwell International 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.