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The ornamental design for a portable mixer, as shown and described. |
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FIG. 1 is a front perspective view of a portable mixer showing our new design;
FIG. 2 is a side elevational view of same;
FIG. 3 is a top plan view of same;
FIG. 4 is a front elevational view of same; and
FIG. 5 is a rear elevational view of same.
Deen, Darrel B., Walsted, Lawrence L., Roost, F. John
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 21 1978 | American Equipment Corporation | (assignment on the face of the patent) |
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