U.S. patent number D900,057 [Application Number D/696,469] was granted by the patent office on 2020-10-27 for headphone. This patent grant is currently assigned to SHENZHEN GRANDSUN ELECTRONIC CO., LTD.. The grantee listed for this patent is SHENZHEN GRANDSUN ELECTRONIC CO., LTD.. Invention is credited to Jiugao Peng, Xiangke Shan, Ruiwen Shi, Zhonghui Tang, Haiquan Wu.
United States Patent | D900,057 |
Shan , et al. | October 27, 2020 |
Inventors: | Shan; Xiangke (Shenzhen, CN), Wu; Haiquan (Guangdong, CN), Tang; Zhonghui (Shenzhen, CN), Peng; Jiugao (Shenzhen, CN), Shi; Ruiwen (Shenzhen, CN) | ||||||||||
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Applicant: |
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Assignee: | SHENZHEN GRANDSUN ELECTRONIC CO.,
LTD. (Shenzhen, CN) |
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Appl. No.: | D/696,469 | ||||||||||
Filed: | June 27, 2019 |
Dec 27, 2018 [CN] | 2018 3 0760988 | |||
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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