U.S. patent number D954,020 [Application Number D/740,184] was granted by the patent office on 2022-06-07 for headphone. This patent grant is currently assigned to Shenzhen Dingchuang Smart Manufacturing Company Limited. The grantee listed for this patent is Shenzhen Dingchuang Smart Manufacturing Company Limited. Invention is credited to Liang Wan.
United States Patent | D954,020 |
Wan | June 7, 2022 |
Inventors: | Wan; Liang (Hanzhong, CN) | ||||||||||
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Applicant: |
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Assignee: | Shenzhen Dingchuang Smart
Manufacturing Company Limited (Guangdong, CN) |
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Appl. No.: | D/740,184 | ||||||||||
Filed: | July 1, 2020 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,188,192 ;D21/483 ;D29/112 ;2/209 ;381/380,381,378-379 ;455/90.3,575.1,569.1 |
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