U.S. patent number D880,449 [Application Number D/716,386] was granted by the patent office on 2020-04-07 for headphones. This patent grant is currently assigned to SHENZHEN QIANHAI PATUOXUN NETWORK AND TECHNOLOGY CO., LTD. The grantee listed for this patent is SHENZHEN QIANHAI PATUOXUN NETWORK AND TECHNOLOGY CO., LTD. Invention is credited to Zaihui Hu.
United States Patent | D880,449 |
Hu | April 7, 2020 |
Inventors: | Hu; Zaihui (Shenzhen, CN) | ||||||||||
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Applicant: |
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Assignee: | SHENZHEN QIANHAI PATUOXUN NETWORK
AND TECHNOLOGY CO., LTD (Shenzhen, CN) |
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Appl. No.: | D/716,386 | ||||||||||
Filed: | December 9, 2019 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,188,192,203.1,203.6,219 ;D29/112 ;2/209 ;181/129,130,135 ;379/430,431 ;381/380,381,370,371,374,186,384,386,104 ;455/90.3,575.1,569.1 |
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