Granted Patent
Utility
US 5,421,782 · App. 08/065,467
Action river water attraction
Inventor:
Thomas J. Lochtefeld
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: May 20, 1993
Inventor
Thomas J. Lochtefeld
Assignee (at issue)
Light Wave Ltd
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.