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The ornamental design for a headphone, as shown.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 20 2008 | Sony Corporation | (assignment on the face of the patent) | / | |||
| Mar 24 2008 | KOMIYAMA, JUN | Sony Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 021038 | /0915 |
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