Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7140512 | Interlocking lid for wet bench | Chi-Shen Yang, Yuan-Bang Lee, Ming-Zhe Chiang | 2006-11-28 |
| 7141739 | Sealing device and apparatus | Chih-Shen Yang, Min-Jhe Chiang | 2006-11-28 |