Granted Patent
Utility
US 5,140,456 · App. 07/681,986
Low noise high power optical fiber amplifier
Inventor:
David R. Huber
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Apr 8, 1991
Inventor
David R. Huber
Assignee (at issue)
General Instrument 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.