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The ornamental design for a plug portion for a headphone, as shown and described.
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Portions in broken lines are for illustrative purposes only and form no part of claimed design. Dot-dash broken lines define boundaries of, but are not included in, the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 05 2010 | Sony Corporation | (assignment on the face of the patent) | / | |||
May 10 2010 | MORISAWA, RUI | Sony Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 024447 | /0803 |
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