Granted Patent
Utility
US 5,899,633 · App. 08/826,902
Method and apparatus for containerless sheet flow water rides
Inventor:
Thomas J. Lochtefeld
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Apr 9, 1997
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.