Granted Patent
Utility
US 4,373,483 · App. 06/239,237
Lubricating oil pump drive for an internal combustion engine
Inventor:
Cecil T. Bury
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Mar 3, 1981
Inventor
Cecil T. Bury
Assignee (at issue)
David Brown Tractors Ltd.
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.