Granted Patent
Utility
US 6,608,948 · App. 10/014,354
Periodic arrayed waveguide grating multiplexer/demultiplexer
Inventors:
Vincent Delisle, Alan Hnatiw
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Dec 14, 2001
Inventors
Vincent Delisle
Alan Hnatiw
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.