U.S. patent number D816,581 [Application Number D/586,600] was granted by the patent office on 2018-05-01 for quadcopter. The grantee listed for this patent is Jianjia Zhao. Invention is credited to Jianjia Zhao.
United States Patent | D816,581 |
Zhao | May 1, 2018 |
Inventors: | Zhao; Jianjia (Zhangzhou, CN) | ||||||||||
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Applicant: |
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Appl. No.: | D/586,600 | ||||||||||
Filed: | December 6, 2016 |
Current U.S. Class: | D12/328; D12/16.1 |
Current International Class: | 1207 |
Field of Search: | ;D12/3,16.1,319-345 ;D21/436-455 |
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