Granted Patent
Utility
US 4,344,175 · App. 06/218,855
Muting circuit
Inventor:
Samuel A. Leslie
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Dec 22, 1980
Inventor
Samuel A. Leslie
Assignee (at issue)
General Electric Company
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.