Granted Patent
Utility
US 4,352,962 · App. 06/163,929
Tone responsive disabling circuit
Inventor:
Hilary LaMothe
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Jun 27, 1980
Inventor
Hilary LaMothe
Assignee (at issue)
Reliance Electric Limited
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.