Granted Patent
Utility
US 5,537,949 · App. 08/394,354
Diver's boarding ladder
Inventors:
Roger L. Blevins, Alan Stinson, Gary A. Zittrower
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Feb 24, 1995
Inventors
Roger L. Blevins
Alan Stinson
Gary A. Zittrower
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.