Granted Patent
Utility
US 4,779,581 · App. 07/112,472
Dual fuel injection system for two stroke internal combustion engine
Inventor:
Gerhard Maier
Patented Case
View Patent ↗
Granted: Oct 25, 1988
Filed: Oct 26, 1987
Inventor
Gerhard Maier
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.