Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788174 | Rare earth hard alloy and preparation method and application thereof | Jian Lv, Keke Chang, Weibin Zhang, Ming Lou, Zepeng Li +1 more | 2023-10-17 |
| D532504 | Metallic dust-collecting plates | Hong Li, Chuang Li | 2006-11-21 |
| D532505 | Metallic dust-collecting plates | Hong Li, Chuang Li | 2006-11-21 |
| D529160 | Air purifier | Chuang Li, Hong Li | 2006-09-26 |