Granted Patent
Utility
US 6,824,015 · App. 09/958,097
Closure device for closing off the dispensing orifice of a fluid dispenser
Inventor:
Claude Ammann
Patented Case
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Granted: Nov 30, 2004
Filed: Oct 5, 2001
Inventor
Claude Ammann
Assignee (at issue)
VALOIS S.A.
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.