Granted Patent
Utility
US 6,178,038 · App. 09/252,288
Optical amplifier having an improved noise figure
Inventors:
Michael Taylor, Balakrishnan Sridhar
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Feb 18, 1999
Inventors
Michael Taylor
Balakrishnan Sridhar
Assignee (at issue)
Ciena 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.