Granted Patent
Utility
US 5,652,808 · App. 08/575,086
Acoustic-optical device for optical filtering
Inventors:
Christian Duchet, Christian Brot, Michel Di Maggio
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Dec 19, 1995
Inventors
Christian Duchet
Christian Brot
Michel Di Maggio
Assignee (at issue)
Alcatel N.V.
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.