Granted Patent
Utility
US 6,740,245 · App. 10/104,713
Non-chemical water treatment method and apparatus employing ionized air purification technologies
Inventor:
Dennis E. J. Johnson
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Mar 25, 2002
Inventor
Dennis E. J. Johnson
Assignee (at issue)
EnerOx Technology LLC
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.