Granted Patent
Utility
US 5,204,081 · App. 07/695,217
Process for the generation of chlorine dioxide
Inventors:
John Y. Mason, Edward J. Bechberger, Dorman N Matchim, Dick Hilliard
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: May 3, 1991
Inventors
John Y. Mason
Edward J. Bechberger
Dorman N Matchim
Dick Hilliard
Assignee (at issue)
Rio Linda Chemical Co., 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.