Granted Patent
Utility
US 4,954,014 · App. 07/286,964
Surfing-wave generators
Inventors:
Charles E. Sauerbier, Thomas J. Lochtefeld
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Dec 19, 1988
Inventors
Charles E. Sauerbier
Thomas J. Lochtefeld
Assignee (at issue)
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.