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The ornamental design for an electronic keyboard musical instrument, as shown. |
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FIG. 1 is a top view of an electronic keyboard musical instrument;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left-side view thereof; and,
FIG. 6 is a right-side view thereof.
| Patent | Priority | Assignee | Title |
| D444492, | Dec 28 1999 | Yamaha Corporation | Electronic keyboard musical instrument |
| D572296, | Dec 28 2007 | Casio Keisanki Kabushiki Kaisha | Electronic keyboard musical instrument |
| ER2175, | |||
| ER245, | |||
| ER3920, | |||
| ER6038, | |||
| ER6777, | |||
| ER9610, |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 03 1998 | TAKEI, KUNIHIRO | YAMAHA CORPORATION, A CORPORATION OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009381 | /0987 | |
| Aug 07 1998 | Yamaha Corporation | (assignment on the face of the patent) | / |
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