Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10398095 | Blowing-suction device | Zhendong Gao, Xiahong Zha, Fengli Zhao, Hongfeng Zhong | 2019-09-03 |
| 10227988 | Blower and a blowing vacuum device | Zhendong Gao, Xiahong Zha, Fengli Zhao, Lixiang Huo, Xuefeng Yu +2 more | 2019-03-12 |