Granted Patent
Utility
US 5,628,584 · App. 08/398,158
Method and apparatus for containerless sheet flow water rides
Inventor:
Thomas J. Lochtefeld
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Mar 3, 1995
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.