Granted Patent
Utility
US 4,994,195 · App. 07/369,162
Inhibitor treatment program for chlorine dioxide corrosion
Inventors:
James G. Edmondson, E. Paul Holder
Patented Case
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Granted: Feb 19, 1991
Filed: Jun 21, 1989
Inventors
James G. Edmondson
E. Paul Holder
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.