Granted Patent
Utility
US 6,795,652 · App. 10/323,681
WDM optical network with passive pass-through at each node
Inventors:
David Milton, Tomas Valis, Gino Totti, Kexing Liu, Michel Pigeon
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Dec 20, 2002
Inventors
David Milton
Tomas Valis
Gino Totti
Kexing Liu
Michel Pigeon
Assignee (at issue)
Nortel Networks Limited
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.