Granted Patent
Utility
US 6,564,595 · App. 09/775,006
Washing machine pump having a single vane impeller
Inventors:
Richard A. Junk, David M. Howie
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Feb 1, 2001
Inventors
Richard A. Junk
David M. Howie
Assignee (at issue)
Ark-Les U.S. Controls 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.