Granted Patent
Utility
US 6,729,504 · App. 10/297,613
Static device for air replenishing a liquid product dispenser
Inventors:
Jean-Louis Bougamont, Pierre Dumont
Patented Case
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Granted: May 4, 2004
Filed: Dec 16, 2002
Inventors
Jean-Louis Bougamont
Pierre Dumont
Assignee (at issue)
Rexam Dispensing Systems
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.