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The ornamental design for a keyboard, as shown. |
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FIG. 1 is a top right front perspective view of a keyboard showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is left side elevational view thereof; and
FIG. 7 is a right side elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 05 1988 | LERCH, KARL D | QUAKER OATS COMPANY, THE, A NEW JERSEY CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004959 | /0395 | |
| Oct 11 1988 | The Quaker Oats Company | (assignment on the face of the patent) | / | |||
| Dec 06 1990 | QUAKER OATS COMPANY, THE, A CORP OF NJ | FISHER - PRICE, INC , A DE CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 005570 | /0174 |
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