Granted Patent
Utility
US 5,176,297 · App. 07/537,567
Dishwasher detergent dispenser
Inventors:
Phillip B. Mooney, Michael W. Hetherington
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: Jun 14, 1990
Inventors
Phillip B. Mooney
Michael W. Hetherington
Assignee (at issue)
DIVERSEY, 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.