Granted Patent
Utility
US 6,233,380 · App. 09/289,667
Electrooptic method of signal processing, device for implementing the latter, and use
Inventor:
Frederic Ferrieu
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Apr 12, 1999
Inventor
Frederic Ferrieu
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.