Granted Patent
Utility
US 6,468,479 · App. 09/637,798
Chlorine dioxide generator
Inventors:
John Y. Mason, Gary W. Kielman, William R. Griffin, Dorman N. Mitchim
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Aug 11, 2000
Inventors
John Y. Mason
Gary W. Kielman
William R. Griffin
Dorman N. Mitchim
Assignee (at issue)
Sabre Oxidation Technologies, 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.