Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10265747 | Rotary extrusion producing mold for producing inner ring rib with large aspect ratio formed of hollow billet | Jianmin Yu, Zhimin Zhang, Xubin Li, Qiang Wang | 2019-04-23 |