Granted Patent
Utility
US 5,367,994 · App. 08/138,290
Method of operating a diesel engine utilizing a continuously powered glow plug
Inventor:
Stanley J. Hinkle
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Oct 15, 1993
Inventor
Stanley J. Hinkle
Assignee (at issue)
DETROIT DIESEL 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.