Air operated piston pump
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Description
FIG. 1 is a front elevation view of the air operated piston pump;
FIG. 2 is a top elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a back elevation view thereof; and,
FIG. 6 is a bottom elevation view thereof.
Claims
The ornamental design for the air operated piston pump, as shown and described.
Referenced Cited
Patent History
Patent number: D442607
Type: Grant
Filed: Aug 18, 2000
Date of Patent: May 22, 2001
Assignee: Graco Minnesota Inc. (Minneapolis, MN)
Inventor: Mark L. Bauck (Brooklyn Park, MN)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Douglas B. Farrow
Application Number: 29/128,196
Type: Grant
Filed: Aug 18, 2000
Date of Patent: May 22, 2001
Assignee: Graco Minnesota Inc. (Minneapolis, MN)
Inventor: Mark L. Bauck (Brooklyn Park, MN)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Douglas B. Farrow
Application Number: 29/128,196
Classifications