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The ornamental design for a keyboard, substantially as shown. |
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FIG. 1 is a front perspective view of a keyboard showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevation view thereof; and
FIG. 4 is a rear elevational view thereof.
| Patent | Priority | Assignee | Title |
| D266845, | Dec 28 1979 | Oki Electric Industry Co., Ltd. | Dialing pad for a car telephone set |
| D529535, | Jun 07 2004 | Kabushiki Kaisha Hiromori | Calculator with clock |
| Patent | Priority | Assignee | Title |
| 220132, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 15 1977 | TRW Inc. | (assignment on the face of the patent) |
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