Granted Patent
Utility
US 5,960,808 · App. 08/877,842
Method of controlling the amount of sanitizing agent in an aqueous medium
Inventors:
Richard H. Ferguson, Gerald E. Moore, Stanley R. Pickens
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Jun 18, 1997
Inventors
Richard H. Ferguson
Gerald E. Moore
Stanley R. Pickens
Assignee (at issue)
PPG Industries Ohio, 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.