Granted Patent
Utility
US 6,538,780 · App. 09/439,016
Apparatus and method for reducing the number of control elements for crosstalk reduction devices in an optical switching network
Inventors:
Timothy O. Murphy, Gaylord W. Richards
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Nov 12, 1999
Inventors
Timothy O. Murphy
Gaylord W. Richards
Assignee (at issue)
LUCENT TECHNOLOGIES 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.