Granted Patent
Utility
US 6,253,121 · App. 09/335,308
Control system for bathers with ground continuity and ground fault detection
Inventors:
David J. Cline, Cindy Otto, Allan Pinkul
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Jun 16, 1999
Inventors
David J. Cline
Cindy Otto
Allan Pinkul
Assignee (at issue)
Balboa Instruments, 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.