Granted Patent
Utility
US 6,463,796 · App. 09/688,330
Continuous on-board diagnostic lubricant monitoring system and method
Inventors:
Jennifer Van Mullekom, Michael Melnyk, Bhupinder Dayal
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Oct 12, 2000
Inventors
Jennifer Van Mullekom
Michael Melnyk
Bhupinder Dayal
Assignee (at issue)
The Lubrizol 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.