Granted Patent
Utility
US 4,286,116 · App. 06/078,805
Device for the processing of voice signals
Inventor:
Jean-Claude B. Sadou
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Sep 25, 1979
Inventor
Jean-Claude B. Sadou
Assignee (at issue)
Thomson-CSF
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.