Granted Patent
Utility
US 6,345,581 · App. 09/316,582
Modular pontoon boats
Inventor:
Clarence E. Blanchard
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: May 21, 1999
Inventor
Clarence E. Blanchard
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.