Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8556613 | Injection mold having a mold core detachably mounted in a mold base | Dian-Hong Wei, Yong Liu, Yang-Liang Tian | 2013-10-15 |
| 8454347 | Sprue device for use in an injection mold | Dian-Hong Wei, Zhong-Hai Xiao | 2013-06-04 |