U.S. patent number D853,995 [Application Number D/677,832] was granted by the patent office on 2019-07-16 for earphone. This patent grant is currently assigned to Guangzhou Lanshidun Electronic Limited Company. The grantee listed for this patent is Guangzhou Lanshidun Electronic Limited Company. Invention is credited to Hejin Cai.
United States Patent | D853,995 |
Cai | July 16, 2019 |
Inventors: | Cai; Hejin (Guangzhou, CN) | ||||||||||
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Applicant: |
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Assignee: | Guangzhou Lanshidun Electronic
Limited Company (Guangzhou, CN) |
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Appl. No.: | D/677,832 | ||||||||||
Filed: | January 24, 2019 |
Current U.S. Class: | D14/223 |
Current International Class: | 1401 |
Field of Search: | ;D14/223,205 ;181/129,130,135 ;379/430,431 ;381/380,381,374 ;455/90.3,575.1,569.1 |
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