Granted Patent
Utility
US 5,884,017 · App. 08/582,846
Method and system for optical restoration tributary switching in a fiber network
Inventor:
John A. Fee
Patented Case
View Patent ↗
Granted: Mar 16, 1999
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.