Granted Patent
Utility
US 4,792,902 · App. 06/808,186
Engine ignition timing for a clutch engagement control system
Inventors:
Davorin David Hrovat, Charles Heermann, William Emil Tobler
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Dec 12, 1985
Inventors
Davorin David Hrovat
Charles Heermann
William Emil Tobler
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.