Granted Patent
Utility
US 5,015,643 · App. 07/431,824
Disinfectant for the treatment of water systems
Inventors:
Ronald L. Jones, Marion W. Wynn
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Nov 6, 1989
Inventors
Ronald L. Jones
Marion W. Wynn
Assignee (at issue)
BIO-LAB, 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.