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The ornamental design for a portable open air display stand, as shown and described. |
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FIG. 1 is a front perspective view of a portable open air display stand showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 23 1989 | KOCH, CHARLES P | ADEX, INC , | ASSIGNMENT OF ASSIGNORS INTEREST | 005051 | /0531 | |
| Mar 02 1989 | Adex, Inc. | (assignment on the face of the patent) | / |
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