Granted Patent
Utility
US 4,366,120 · App. 06/181,766
Small scale chlorine dioxide plant
Inventor:
Gerald Cowley
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Aug 27, 1980
Inventor
Gerald Cowley
Assignee (at issue)
ERCO Industries Limited
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.