Granted Patent
Utility
US 5,348,500 · App. 08/083,998
Marine propulsion device with selectively operable secondary exhaust discharge
Inventor:
George G. Lassanske
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Jun 28, 1993
Inventor
George G. Lassanske
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.