Granted Patent
Utility
US 4,742,312 · App. 07/052,984
Power limiting audio amplifier temperature protection circuit
Inventors:
David W. Osburn, David A. LaRosa, James R. Knolinski
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: May 22, 1987
Inventors
David W. Osburn
David A. LaRosa
James R. Knolinski
Assignee (at issue)
DELCO ELECTRONICS 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.