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The ornamental design for a demonstration device or the like, as shown. |
FIG. 1 is a perspective view of my demonstration device or the like showing my new design;
FIG. 2 is a top plan view of such design;
FIG. 3 is a side elevational view of the same;
FIG. 4 is a side elevational view of the same taken opposite FIG. 3;
FIG. 5 is a side elevational view taken from the left of FIG. 3; and
FIG. 6 is a side elevational view taken from the side opposite FIG. 5.
Patent | Priority | Assignee | Title |
D299366, | Apr 18 1986 | Puzzle |
Patent | Priority | Assignee | Title |
3032893, | |||
222946, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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