U.S. patent number D907,598 [Application Number D/682,818] was granted by the patent office on 2021-01-12 for headphone. This patent grant is currently assigned to Shenzhen MeiDong Acoustics Co., Ltd.. The grantee listed for this patent is Qingkai Mei. Invention is credited to Qingkai Mei.
United States Patent | D907,598 |
Mei | January 12, 2021 |
Inventors: | Mei; Qingkai (Guangdong, CN) | ||||||||||
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Applicant: |
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Assignee: | Shenzhen MeiDong Acoustics Co.,
Ltd. (Guangdong, CN) |
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Appl. No.: | D/682,818 | ||||||||||
Filed: | March 8, 2019 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,188,192 ;D29/112 ;2/209 ;381/380,381,374 ;455/90.3,575.1,569.1 |
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