Granted Patent
Utility
US 6,382,527 · App. 09/753,648
Hand-activated dispensing pump having sprayer/foamer selector wheel
Inventors:
Stephen A. Dukes, Martin S. Laffey
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Jan 3, 2001
Inventors
Stephen A. Dukes
Martin S. Laffey
Assignee (at issue)
Owens-Illinois Closure 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.