Granted Patent
Utility
US 4,690,308 · App. 06/817,527
Pail mount pump with integral cover
Inventors:
James E. Cavanaugh, Larry Erwin, Robert D. Hetherington
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Jan 9, 1986
Inventors
James E. Cavanaugh
Larry Erwin
Robert D. Hetherington
Assignee (at issue)
Binks Manufacturing Company
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.