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The ornamental design for a teaching tool, as shown and described. |
FIG. 1 is a front elevational view of a teaching tool showing my new design;
FIG. 2 is a right side elevational view;
FIG. 3 is a left side elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a top plan view;
FIG. 6 is a bottom plan view;
FIG. 7 is a vertical cross-sectional view taken on lines 7--7 of FIG. 1; and
FIG. 8 is a front perspective view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 23 1986 | WOLF, GILBERT A | WHW CONSTRUCTION, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005077 | /0880 | |
May 30 1986 | WHW Construction, Inc. | (assignment on the face of the patent) | / |
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