Granted Patent
Utility
US 5,777,773 · App. 08/741,587
Optical frequency control system and method
Inventors:
Richard E. Epworth, Duncan Forbes
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Oct 31, 1996
Inventors
Richard E. Epworth
Duncan Forbes
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.