Granted Patent
Utility
US 5,575,231 · App. 08/536,888
Flotation foam lined pontoon log
Inventor:
John P. Metcalf
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Sep 29, 1995
Inventor
John P. Metcalf
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.