Granted Patent
Utility
US 5,406,910 · App. 08/155,495
Combination oil cooler and oil filter assembly for internal combustion engine
Inventor:
Charles M. Wallin
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Nov 22, 1993
Inventor
Charles M. Wallin
Assignee (at issue)
Ford Motor Company
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.