U.S. patent number D945,400 [Application Number D/711,273] was granted by the patent office on 2022-03-08 for wireless earbud. The grantee listed for this patent is Chenggang Tian. Invention is credited to Chenggang Tian.
United States Patent | D945,400 |
Tian | March 8, 2022 |
Inventors: | Tian; Chenggang (Ziyan, CN) | ||||||||||
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Applicant: |
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Appl. No.: | D/711,273 | ||||||||||
Filed: | October 30, 2019 |
Current U.S. Class: | D14/223 |
Current International Class: | 1401 |
Field of Search: | ;D14/223,205 ;D24/174 ;128/864,865,866 ;381/380,381 ;455/90.3,575.1,569.1 |
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