Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9016443 | Method for producing brake drum and a brake drum | Jianrong Zhang, Jianming Chai, Xinsheng Wu, Zhikun Zhou | 2015-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9016443 | Method for producing brake drum and a brake drum | Jianrong Zhang, Jianming Chai, Xinsheng Wu, Zhikun Zhou | 2015-04-28 |