Granted Patent
Utility
US 6,285,475 · App. 08/582,845
Method and system for detecting optical faults in a network fiber link
Inventor:
John A. Fee
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Dec 29, 1995
Inventor
John A. Fee
Assignee (at issue)
MCI Communications 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.