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The ornamental design for a toothbrush head, as shown and described.
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The broken lines depict portions of the toothbrush head that form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 10 2023 | LIU, YAFEI | GUANGDONG MEIHONG DENTAL TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 062381 | /0515 | |
| Jan 12 2023 | Guangdong Meihong Dental Technology Co., Ltd. | (assignment on the face of the patent) | / |
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