Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10980193 | Piggyback working appliance, piggyback blower, and control handle assembly | Yunjie Shangguan, Xiaohul Huo, Yin Chen, Fangxiao Zhang, Xiangxiao Jiang | 2021-04-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10980193 | Piggyback working appliance, piggyback blower, and control handle assembly | Yunjie Shangguan, Xiaohul Huo, Yin Chen, Fangxiao Zhang, Xiangxiao Jiang | 2021-04-20 |