Granted Patent
Utility
US 5,777,761 · App. 08/672,808
System and method for photonic facility and line protection switching using wavelength translation
Inventor:
John A. Fee
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Jun 28, 1996
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.