Granted Patent
Utility
US 6,120,190 · App. 08/979,204
Spatially variable bandpass filter monitoring and feedback control of laser wavelength especially in wavelength division multiplexing communication systems
Inventors:
Francis L. Leard, Scott Burroughs, Ilya Mirman
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Nov 26, 1997
Inventors
Francis L. Leard
Scott Burroughs
Ilya Mirman
Assignee (at issue)
Lasertron, Inc.
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.