Granted Patent
Utility
US 5,755,604 · App. 08/775,244
Boat propeller drive unit
Inventor:
Kjell Borgersen
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Dec 30, 1996
Inventor
Kjell Borgersen
Assignee (at issue)
AB VOLVO PENTA
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.