Granted Patent
Utility
US 5,271,692 · App. 07/846,204
Method and apparatus for a sheet flow water ride in a single container
Inventor:
Thomas J. Lochtefeld
Patented Case
View Patent ↗
Granted: Dec 21, 1993
Filed: Mar 4, 1992
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.