Granted Patent
Utility
US 5,401,117 · App. 07/866,073
Method and apparatus for containerless sheet flow water rides
Inventor:
Thomas J. Lochtefeld
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Apr 1, 1992
Inventor
Thomas J. Lochtefeld
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.