Granted Patent
Utility
US 4,341,617 · App. 06/229,960
Liquid treater having electrical charge injection means
Inventor:
Arthur S. King
Patented Case
View Patent ↗
Granted: Jul 27, 1982
Filed: Jan 30, 1981
Inventor
Arthur S. King
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.