Granted Patent
Utility
US 6,236,479 · App. 09/083,758
Space-division optical switching system having a multichannel acousto-optical deflector
Inventors:
Stephane Gosselin, Jacques Sapriel
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: May 22, 1998
Inventors
Stephane Gosselin
Jacques Sapriel
Assignee (at issue)
FRANCE TELECOM
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.