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The ornamental design for a music teaching device, as shown and described. |
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FIG. 1 is a front elevational view of a music teaching device showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a top plan view;
FIG. 4 is a bottom plan view;
FIG. 5 is a left side elevational view;
FIG. 6 is a right side elevational view; and
FIG. 7 is a perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 01 1986 | CONAWAY, STEVEN | TRINITY MUSIC COMPUTER, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005021 | /0090 | |
| Apr 11 1986 | Trinity Music Computer, Inc. | (assignment on the face of the patent) | / |
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