Granted Patent
Utility
US 4,344,760 · App. 06/066,674
Marine propulsion system
Inventor:
Andrzej S. Kulikowski
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: Aug 15, 1979
Inventor
Andrzej S. Kulikowski
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.