Granted Patent
Utility
US 6,636,654 · App. 09/955,741
Programmable optical switching add/drop multiplexer
Inventor:
James P. McGuire
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Sep 18, 2001
Inventor
James P. McGuire
Assignee (at issue)
Optical Research Partners LLC
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.