Granted Patent
Utility
US 6,536,686 · App. 10/100,317
Hand activated dispensing pump having sprayer/foamer selector wheel
Inventors:
Stephen A. Dukes, Martin S. Laffey
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Mar 18, 2002
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.