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The ornamental design for an electronic keyboard musical instrument, as shown. |
FIG. 1 is a front elevation view of an electronic keyboard musical instrument showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation view;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a top, front perspective view thereof.
Katsuhara, Tatsuo, Kitsuyu, Shigeru
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 22 1988 | KATSUHARA, TATSUO | CASIO COMPUTER CO , LTD , A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004929 | /0392 | |
Aug 22 1988 | KITSUYU, SHIGERU | CASIO COMPUTER CO , LTD , A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004929 | /0392 | |
Aug 24 1988 | Casio Computer Co., Ltd. | (assignment on the face of the patent) | / |
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