Granted Patent
Utility
US 5,367,159 · App. 07/935,005
Optical loopback tester with air gap attenuator
Inventors:
Philip W. Schofield, Paul R. Stonikas, James W. McGinley
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Aug 25, 1992
Inventors
Philip W. Schofield
Paul R. Stonikas
James W. McGinley
Assignee (at issue)
Methode Electronics, 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.