Granted Patent
Utility
US 6,475,352 · App. 09/758,255
Method and apparatus for monitoring an ozone generator in a household water purifier
Inventor:
Wayne Ernest Conrad
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Jan 12, 2001
Inventor
Wayne Ernest Conrad
Assignee (at issue)
Fantom Technologies 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.