Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Scott Wu0
Date of Patent
July 27, 2010
0Patent Application Number
115634820
Date Filed
November 27, 2006
0Patent Primary Examiner
Patent abstract
A pump includes a cylinder, a nozzle connected to an end of the cylinder, a piston movable in the cylinder, a rod connected to the piston, a ring installed at another end of the cylinder, a positioning device connected to the rod and a handle. The handle includes a connective portion for engagement with the positioning device when the rod is exposed from the handle.
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