Granted Patent
Utility
US 4,763,676 · App. 07/004,840
Liquid dispenser
Inventor:
William G. Mizuno
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Jan 9, 1987
Inventor
William G. Mizuno
Assignee (at issue)
ECOLAB 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.