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The ornamental design for a musical keyboard, as shown. |
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FIG. 1 is a top, front, right perspective view of a musical keyboard showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left elevational view thereof; and,
FIG. 7 is a right elevational view thereof.
Bertram, Randal L., Swansey, John D.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 05 1994 | International Business Machines Corporation | (assignment on the face of the patent) | / | |||
| Feb 20 1995 | BERTRAM, RANDAL LEE | International Business Machines Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007387 | /0920 | |
| Feb 20 1995 | SWANSEY, JOHN DAVID | International Business Machines Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007387 | /0920 | |
| May 20 2005 | International Business Machines Corporation | LENOVO SINGAPORE PTE LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016891 | /0507 |
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