Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8767793 | Method for treating spheroidal graphite iron and pouring device thereof | Yuxin Wang | 2014-07-01 |
| 8419821 | Method for treating spheroidal graphite iron and pouring device thereof | Yuxin Wang | 2013-04-16 |