Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9979208 | Cordless tool system with a battery pack having a heat absorbing device | Dezhong Yang, Haishen Xu, Junya Duan, Hao Du | 2018-05-22 |
| 9548614 | Cordless tool system | Dezhong Yang, Haishen Xu, Junya Duan, Hao Du | 2017-01-17 |
| 8963497 | Cordless tool system | Dezhong Yang, Haishen Xu, Junya Duan, Hao Du | 2015-02-24 |