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The ornamental design for an electronic keyboard musical instrument, as shown and described. |
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FIG. 1 is a front elevation view of an electronic keyboard musical instrument showing my new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a rear elevation view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 23 1992 | OKI, YUJI | CASIO COMPUTER CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 006214 | /0306 | |
| Jul 28 1992 | Casio Computer Co., Ltd. | (assignment on the face of the patent) | / |
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