U.S. patent number D871,367 [Application Number D/655,670] was granted by the patent office on 2019-12-31 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 Wu Haiquan, Peng Jiugao, Shi Ruiwen, Zhang Zhijun, Tang Zhonghui.
United States Patent | D871,367 |
Zhijun , et al. | December 31, 2019 |
Inventors: | Zhijun; Zhang (Shenzhen, CN), Haiquan; Wu (Shenzhen, CN), Zhonghui; Tang (Shenzhen, CN), Jiugao; Peng (Shenzhen, CN), Ruiwen; Shi (Shenzhen, CN) | ||||||||||
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Applicant: |
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Assignee: | SHENZHEN GRANDSUN ELECTRONIC CO.,
LTD. (Shenzhen, Guangdong, CN) |
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Appl. No.: | D/655,670 | ||||||||||
Filed: | July 5, 2018 |
Jan 5, 2018 [CN] | 2018 3 0005477 | |||
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,188,192,206 ;D29/112 ;2/209 ;181/129,130,135 ;379/430,431 ;381/380,381,374 ;455/90.3,575.1,569.1 |
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