U.S. patent number D789,906 [Application Number D/553,426] was granted by the patent office on 2017-06-20 for wireless rechargeable audio device. The grantee listed for this patent is Shenzhen Qianhai Headfree Tech. Co., Ltd.. Invention is credited to Ming Zhang.
United States Patent | D789,906 |
Zhang | June 20, 2017 |
Inventors: | Zhang; Ming (Shenzhen, CN) | ||||||||||
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Applicant: |
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Appl. No.: | D/553,426 | ||||||||||
Filed: | February 1, 2016 |
Dec 11, 2015 [CN] | 2015 3 0521766 | |||
Current U.S. Class: | D14/209.1 |
Current International Class: | 1402 |
Field of Search: | ;D14/209.1,216,204,210,211,212,213,215,218,221,224.1,480.1-480.3,484.1,171,192 ;381/300-303,306,332,333,336,345,361-364,386-388 |
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