Granted Patent
Utility
US 6,381,052 · App. 09/271,879
Multiplexors with a flat top spectral channel shape
Inventors:
Vincent Delisle, Thomas Ducellier
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Mar 18, 1999
Inventors
Vincent Delisle
Thomas Ducellier
Assignee (at issue)
JDS Fitel 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.