Granted Patent
Utility
US 4,889,654 · App. 07/166,474
Aqueous foam disinfectant containing chlorine dixoide and preparation and use thereof
Inventors:
John Y. Mason, Bruce W. Hicks, Donald C. English
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Mar 10, 1988
Inventors
John Y. Mason
Bruce W. Hicks
Donald C. English
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.