U.S. patent number D899,406 [Application Number D/729,679] was granted by the patent office on 2020-10-20 for earphone. The grantee listed for this patent is Shaowu Ma. Invention is credited to Shaowu Ma.
United States Patent | D899,406 |
Ma | October 20, 2020 |
Inventors: | Ma; Shaowu (Guangdong, CN) | ||||||||||
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Applicant: |
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Appl. No.: | D/729,679 | ||||||||||
Filed: | March 30, 2020 |
Mar 11, 2020 [CN] | 2020 3 0079336 | |||
Current U.S. Class: | D14/223 |
Current International Class: | 1401 |
Field of Search: | ;D14/223,205 ;381/380,381,370,375 ;455/90.3,575.1,569.1 |
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