Granted Patent
Utility
US 5,781,318 · App. 08/691,538
Circuit and method of testing for silent faults in a bi-directional optical communication system
Inventor:
Yves Tremblay
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Aug 2, 1996
Inventor
Yves Tremblay
Assignee (at issue)
Fitel Photomatrix
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.