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The ornamental design for a headphone, as shown and described.
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The portions indicated in broken lines are for illustrative purposes only and form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 29 2008 | Sony Corporation | (assignment on the face of the patent) | / | |||
| Apr 09 2008 | SUZUKI, SATOSHI | Sony Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 020989 | /0959 |
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