Granted Patent
Utility
US 4,331,114 · App. 06/261,100
Auxiliary engine stoppage apparatus
Inventor:
David O. Karraker
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Oct 1, 1980
Inventor
David O. Karraker
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.