Granted Patent
Utility
US 5,635,059 · App. 08/326,339
Method and apparatus for water treatment and purification using gas ion plasma source and disinfectant metal ion complexes
Inventor:
Dennis E. J. Johnson
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Oct 20, 1994
Inventor
Dennis E. J. Johnson
Assignee (at issue)
Aqua-Ion Systems, 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.