Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Heiner Ophardt0
Date of Patent
September 11, 2007
0Patent Application Number
109387010
Date Filed
September 13, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A piston pump dispenser having a reciprocating piston pump arrangement which, in a dispensing stroke, dispenses fluid from an outlet and, in a charging stroke, to draw fluid from a reservoir also draws back fluid from the outlet through which fluid is dispensed in the dispensing stroke.
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