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The ornamental design for a portable evaporative air cooler, as shown. |
FIG. 1 is a front perspective view of a portable evaporative air cooler, showing my new design;
FIG. 2 is an enlarged, front elevational view thereof;
FIG. 3 is an enlarged, rear elevational view thereof;
FIG. 4 is an enlarged top plan view thereof;
FIG. 5 is an enlarged bottom plan view thereof;
FIG. 6 is an elevational view taken generally from the right of FIG. 3; and,
FIG. 7 is an elevational view of the opposite side thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 12 1991 | BROCK, JAMES A | WALTON ENTERPRISES II LP | ASSIGNMENT OF ASSIGNORS INTEREST | 005807 | /0898 | |
Aug 16 1991 | Walton Interprises II LP | (assignment on the face of the patent) | / |
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