Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9302372 | Electric fastening head for fastening lock nut of single through shaft | Yuejin Huang | 2016-04-05 |
| 9132538 | Single shaft yaw electric bolt-tightening machine | Yuejin Huang | 2015-09-15 |