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The ornamental design for a keyboard, as shown and described.
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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 | /0099 | |
Jul 15 2013 | TSAI, JAMES IMING | Microsoft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 031837 | /0099 |
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