Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12115468 | On-line degassing device for flowing liquid | Zhengxi Mi | 2024-10-15 |
| D947533 | Tool storage box | Chao Ma | 2022-04-05 |
| D894587 | Toolbox | Chao Ma | 2020-09-01 |
| D882390 | Box | Chao Ma | 2020-04-28 |
| D840207 | Handle | Chao Ma | 2019-02-12 |
| 10046443 | Ratchet structure for screwdriver | Quan Song | 2018-08-14 |