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The ornamental design for a keyboard, as shown and described.
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The broken lines in the drawings illustrate portions of the keyboard which form no part of the claimed design.
The line shading represents surface contour shape and does not represent surface ornamentation.
Kim, Young Soo, Tsai, James Iming
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 28 2013 | Microsoft Corporation | (assignment on the face of the patent) | / | |||
Jul 15 2013 | KIM, YOUNG SOO | Microsoft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 031837 | /0111 | |
Jul 15 2013 | TSAI, JAMES IMING | Microsoft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 031837 | /0111 |
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