Granted Patent
Utility
US 5,949,560 · App. 08/795,684
Optical transmission system
Inventors:
Kim B. Roberts, Alan Robinson, Richard E. Epworth, Henry John Harvey
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Feb 5, 1997
Inventors
Kim B. Roberts
Alan Robinson
Richard E. Epworth
Henry John Harvey
Assignee (at issue)
Nortel Networks Limited
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.