Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562831 | Rotary wheel airtightness detecting machine | Guo Jiandong, Ren Yanchao, Liu Weidong, Wang Yongning, Zhu Zhihua +1 more | 2017-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562831 | Rotary wheel airtightness detecting machine | Guo Jiandong, Ren Yanchao, Liu Weidong, Wang Yongning, Zhu Zhihua +1 more | 2017-02-07 |