Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9905983 | Brush for an electric motor | Fa Yun Qi, Cheng Shun Du, Rui Feng Qin | 2018-02-27 |
| D790469 | Electrical brush | Fa Yun Qi, Cheng Shun Du, Rui Feng Qin | 2017-06-27 |
| D784927 | Electrical brush | Fa Yun Qi, Cheng Shun Du, Rui Feng Qin | 2017-04-25 |
| D783531 | Electrical brush | Fa Yun Qi, Cheng Shun Du, Rui Feng Qin | 2017-04-11 |
| D783532 | Electrical brush | Fa Yun Qi, Cheng Shun Du, Rui Feng Qin | 2017-04-11 |
| D782979 | Electrical brush | Fa Yun Qi, Cheng Shun Du, Rui Feng Qin | 2017-04-04 |