Granted Patent
Utility
US 6,631,246 · App. 09/332,677
Wavelength division multiplexed optical communication system having tunable multi-channel dispersion compensating filters
Inventors:
Joseph E. Ford, Keith Wayne Goossen, Christi Kay Madsen, James A. Walker
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Jun 14, 1999
Inventors
Joseph E. Ford
Keith Wayne Goossen
Christi Kay Madsen
James A. Walker
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.