Granted Patent
Utility
US 4,297,742 · App. 06/001,816
Engine and fuel shutdown control
Inventors:
Gary N. Heitzman, Clay L. Hutchings, Gary L. Knepp, Robert G. Miller
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Jan 8, 1979
Inventors
Gary N. Heitzman
Clay L. Hutchings
Gary L. Knepp
Robert G. Miller
Assignee (at issue)
Caterpillar Tractor Co.
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.