Granted Patent
Utility
US 5,348,664 · App. 07/967,804
Process for disinfecting water by controlling oxidation/reduction potential
Inventors:
Yong Hoon Kim, Roger Strand
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Oct 28, 1992
Inventors
Yong Hoon Kim
Roger Strand
Assignee (at issue)
Stranco, 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.