Granted Patent
Utility
US 6,433,903 · App. 09/475,298
Optical management channel for wavelength division multiplexed systems
Inventors:
Richard A. Barry, Naimish Patel
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Dec 29, 1999
Inventors
Richard A. Barry
Naimish Patel
Assignee (at issue)
Sycamore Networks, 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.