Granted Patent
Utility
US 6,754,413 · App. 10/259,597
Optical multiplexer, demultiplexer and methods
Inventors:
James Benson Bacque, Patrick Chilufya Chimfwembe, Alex Ngi, Colin Kelly
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Sep 30, 2002
Inventors
James Benson Bacque
Patrick Chilufya Chimfwembe
Alex Ngi
Colin Kelly
Assignee (at issue)
Tropic 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.