U.S. patent number D888,024 [Application Number D/651,647] was granted by the patent office on 2020-06-23 for circular array microphone. The grantee listed for this patent is Qi Li. Invention is credited to Qi Li.
United States Patent | D888,024 |
Li | June 23, 2020 |
Inventors: | Li; Qi (New Providence, NJ) | ||||||||||
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Applicant: |
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Appl. No.: | D/651,647 | ||||||||||
Filed: | November 19, 2018 |
Current U.S. Class: | D14/228 |
Current International Class: | 1401 |
Field of Search: | ;D14/228,225,140,150,137,240,255,338,142,496,215,230,400,203.6,356,151 ;D13/108,10,168,184,154 ;381/334,355,369 ;D21/324 ;455/95,100,569.2,550.1 ;273/148B |
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