Granted Patent
Utility
US 6,167,978 · App. 09/109,456
Integration of an engine lubrication system with an engine fuel system
Inventor:
Richard A. Smietanski
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Jul 2, 1998
Inventor
Richard A. Smietanski
Assignee (at issue)
Navistar International Transportation
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.