U.S. patent number D837,764 [Application Number D/619,842] was granted by the patent office on 2019-01-08 for headphone. This patent grant is currently assigned to SHENZHEN YUAN YUN TECHNOLOGY CO., LTD.. The grantee listed for this patent is Shenzhen Yuan Yun Technology Co., Ltd.. Invention is credited to Minghua Xiao.
United States Patent | D837,764 |
Xiao | January 8, 2019 |
Inventors: | Xiao; Minghua (Shenzhen, CN) | ||||||||||
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Applicant: |
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Assignee: | SHENZHEN YUAN YUN TECHNOLOGY CO.,
LTD. (Shenzhen, CN) |
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Appl. No.: | D/619,842 | ||||||||||
Filed: | October 2, 2017 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,223 ;D29/112 ;2/209 ;181/129,130,135 ;379/430,431 ;381/380,381,374,74 ;455/90.3,575.1,569.1 |
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