Granted Patent
Utility
US 4,719,083 · App. 07/012,604
Composition useful as corrosion inhibitor, anti-scalant and continuous biocide for water cooling towers and method of use
Inventors:
Gary L. Baker, Ronald J. Christensen
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Feb 9, 1987
Inventors
Gary L. Baker
Ronald J. Christensen
Assignee (at issue)
Chemed 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.