Granted Patent
Utility
US 6,769,839 · App. 10/413,121
Stern-on mooring boat lift
Inventor:
Todd A. Elson
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Apr 14, 2003
Inventor
Todd A. Elson
Assignee (at issue)
Hydro Hoist International, Inc.
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.