Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D877150 | Scanner | Guangtao Zhang | 2020-03-03 |
| 9016443 | Method for producing brake drum and a brake drum | Jianrong Zhang, Qiangsheng Lin, Jianming Chai, Zhikun Zhou | 2015-04-28 |