Granted Patent
Utility
US 5,609,299 · App. 08/476,637
Bottle adapter for dual piston trigger sprayer
Inventors:
Donald D. Foster, Martin S. Laffey, John A. Zurcher
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Jun 7, 1995
Inventors
Donald D. Foster
Martin S. Laffey
John A. Zurcher
Assignee (at issue)
Contico International, LLC
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.