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The ornamental design for an electronic keyboard musical instrument, as shown. |
FIG. 1 is a top, front perspective view of an electronic keyboard musical instrument showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a rear elevational view thereof.
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D326106, | Aug 05 1989 | Yamaha Corporation | Electronic keyboard musical instrument |
D326107, | Aug 05 1989 | Yamaha Corporation | Electronic keyboard musical instrument |
D345369, | Jan 08 1992 | Yamaha Corporation | Electronic keyboard musical instrument |
D506494, | Mar 16 2004 | Casio Keisanki Kabushiki Kaisha | Electronic keyboard musical instrument |
D809588, | Oct 16 2015 | LUMINARY ROLI LIMITED | Keyboard instrument |
D810185, | Oct 16 2015 | LUMINARY ROLI LIMITED | Keyboard instrument |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Feb 07 1989 | MINE, IKURO | Yamaha Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 005045 | /0263 | |
Feb 07 1989 | GRANGER, MICHEL | Yamaha Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 005045 | /0263 | |
Feb 16 1989 | Yamaha Corporation | (assignment on the face of the patent) | / |
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