Granted Patent
Utility
US 4,348,695 · App. 06/205,824
Noise processor defeat switch
Inventor:
Alain H. d'Hautecourt
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Nov 10, 1980
Inventor
Alain H. d'Hautecourt
Assignee (at issue)
Zenith Radio Corporation
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.