Granted Patent
Utility
US 6,691,338 · App. 09/827,484
Spa shower and controller
Inventor:
Claus D. Zieger
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Apr 6, 2001
Inventor
Claus D. Zieger
Assignee (at issue)
Interbath, Inc.
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.