Granted Patent
Utility
US 5,856,759 · App. 08/944,698
Audio output amplifier with parallel class AB stages
Inventor:
Andrew C. Krochmal
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Oct 6, 1997
Inventor
Andrew C. Krochmal
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.