Granted Patent
Utility
US 6,049,413 · App. 09/083,842
Optical amplifier having first and second stages and an attenuator controlled based on the gains of the first and second stages
Inventors:
Michael Taylor, Balakrishnan Sridhar
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: May 22, 1998
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.