Granted Patent
Utility
US 6,504,631 · App. 09/251,814
System and method providing control channel for wavelength-division multiplexed network
Inventors:
Richard A. Barry, Naimish Patel, Eric Swanson, Marc Robidas
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Feb 17, 1999
Inventors
Richard A. Barry
Naimish Patel
Eric Swanson
Marc Robidas
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.