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			 The ornamental design for hand held musical tone control apparatus, as shown.  | 
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FIG. 1 is a front view of a hand held musical tone control apparatus showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right-side view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a rear view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Dec 05 1991 | MINE, JUNKO | Yamaha Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 005969 | /0544 | |
| Dec 17 1991 | Yamaha Corporation | (assignment on the face of the patent) | / | 
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