Granted Patent
Utility
US 5,570,662 · App. 08/541,858
Internal combustion engine with lubricating oil supply system
Inventors:
Robert L. Niemchick, Gerald Haft
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Oct 10, 1995
Inventors
Robert L. Niemchick
Gerald Haft
Assignee (at issue)
Outboard Marine 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.