Granted Patent
Utility
US 4,862,850 · App. 07/233,193
Idle detector for internal combustion engine
Inventors:
Darrel Janisch, Fredric H. Bernier
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Aug 17, 1988
Inventors
Darrel Janisch
Fredric H. Bernier
Assignee (at issue)
Arctco, Inc.
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.