U.S. patent number D942,517 [Application Number D/769,653] was granted by the patent office on 2022-02-01 for auger drill bit. The grantee listed for this patent is Jun Li. Invention is credited to Jun Li.
United States Patent | D942,517 |
Li | February 1, 2022 |
Inventors: | Li; Jun (Suzhou, CN) | ||||||||||
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Applicant: |
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Appl. No.: | D/769,653 | ||||||||||
Filed: | February 7, 2021 |
Current U.S. Class: | D15/139 |
Current International Class: | 1509 |
Field of Search: | ;D15/138 |
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