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The ornamental design for pump structure, as shown and described.
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FIG. 1 is a perspective view of pump structure showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is right side elevational view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Feb 21 2003 | TSAI, LUNG-PO | HO LEE CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013834 | /0392 | |
Feb 27 2003 | Ho Lee Co., Ltd. | (assignment on the face of the patent) | / |
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