Granted Patent
Utility
US 4,861,514 · App. 07/204,065
Compositions containing chlorine dioxide and their preparation
Inventor:
Richard S. Hutchings
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Jun 8, 1988
Inventor
Richard S. Hutchings
Assignee (at issue)
The Drackett Company
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.