Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192201 | Double-power-supply switching control system for a welding machine and method | Lin Nie, Yaomin Zhu | 2021-12-07 |
| D907080 | Welding machine | Zhiqiang Li | 2021-01-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192201 | Double-power-supply switching control system for a welding machine and method | Lin Nie, Yaomin Zhu | 2021-12-07 |
| D907080 | Welding machine | Zhiqiang Li | 2021-01-05 |