Granted Patent
Utility
US 5,792,369 · App. 08/627,278
Apparatus and processes for non-chemical plasma ion disinfection of water
Inventor:
Dennis E. J. Johnson
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Apr 4, 1996
Inventor
Dennis E. J. Johnson
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.