Granted Patent
Utility
US 5,932,085 · App. 08/545,792
Chlorine dioxide generation for water treatment
Inventors:
Gerald Cowley, Marek Lipsztajn, George Joseph Ranger
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Mar 13, 1996
Inventors
Gerald Cowley
Marek Lipsztajn
George Joseph Ranger
Assignee (at issue)
Sterling Pulp Chemicals, Ltd.
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.