Granted Patent
Utility
US 5,489,535 · App. 08/357,956
Chlorine quality monitoring system and method
Inventor:
Italo A. Capuano
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Dec 16, 1994
Inventor
Italo A. Capuano
Assignee (at issue)
Olin Corporation
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.