Granted Patent
Utility
US 5,013,272 · App. 07/403,454
Rafting cushion
Inventor:
Richard F. Watkins
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Sep 6, 1989
Inventor
Richard F. Watkins
Assignee (at issue)
N. A. Taylor Co., 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.