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The ornamental design for a “head massager,” as shown and described.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 13 2015 | MA, XUEJUN | SHENZHEN BREO TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 035803 | /0823 | |
May 28 2015 | Shenzhen Breo Technology Co., Ltd. | (assignment on the face of the patent) | / |
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