Granted Patent
Utility
US 4,527,520 · App. 06/570,834
Lubrication of an ancillary pump fitted to an engine
Inventor:
John Koch, Jr.
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Jan 16, 1984
Inventor
John Koch, Jr.
Assignee (at issue)
Orbital Engine Company Proprietary Limited
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.