Granted Patent
Utility
US 6,151,160 · App. 09/166,444
Broadband Raman pre-amplifier for wavelength division multiplexed optical communication systems
Inventors:
Xiabing Ma, Morten Nissov
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Oct 5, 1998
Inventors
Xiabing Ma
Morten Nissov
Assignee (at issue)
Tyco Submarine Systems Ltd.
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.