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I claim the ornamental design for an ear cleaning device, as shown and described.
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The even length broken lines depict portions of the cleaning device in which the design is embodied. In addition, The dot-dot-dash broken lines illustrate enlarged portions of the design. None of the broken lines form part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 30 2021 | HEIFENG ZHIZAO(SHENZHEN)TECHNOLOGY CO., LTD | (assignment on the face of the patent) | / | |||
Apr 01 2022 | WANG, SHIHONG | HEIFENG ZHIZAO SHENZHEN TECHNOLOGY CO ,LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 059579 | /0929 |
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