Granted Patent
Utility
US 4,912,424 · App. 07/365,278
Audio amplifier with voltage limiting
Inventors:
Liviu Mihail Nicola, Henry F. Blind
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Jun 12, 1989
Inventors
Liviu Mihail Nicola
Henry F. Blind
Assignee (at issue)
Ford Motor 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.