Granted Patent
Utility
US 5,227,306 · App. 07/709,010
Method and apparatus for controlling the rate of chlorine dioxide generation
Inventors:
Sam F. Eltomi, Keith O. Wise
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: May 13, 1991
Inventors
Sam F. Eltomi
Keith O. Wise
Assignee (at issue)
Ashchem IP
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.