Granted Patent
Utility
US 6,813,413 · App. 10/234,125
Method and a system for protecting data transmitted on an optical ring formed of a single optical fiber
Inventors:
Arnaud Bisson, Ludovic Noirie, Luc Berthelon
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Sep 5, 2002
Inventors
Arnaud Bisson
Ludovic Noirie
Luc Berthelon
Assignee (at issue)
ALCATEL
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.