Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6860316 | Material melting device of metal injection molding machine | Chi Yin Wu, Chirn Shun Hsn | 2005-03-01 |
| 6681837 | Air releasing check structure of metal injecting machine | Chi Yin Wu, Chirn Shun Hsn | 2004-01-27 |