Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1008060 | Digital scale | — | 2023-12-19 |
| 4727781 | Supercharged power tongs | Chen Yuehui | 1988-03-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1008060 | Digital scale | — | 2023-12-19 |
| 4727781 | Supercharged power tongs | Chen Yuehui | 1988-03-01 |