Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637458 | Floating plug valve apparatus for storing and dispensing high purity liquid | Wei-Cheng Lee, Long-Chun Tsai, Ming-Tzung Hsu | 2003-10-28 |
| 6260568 | Apparatus and method for supplying uninterrupted gas | Ming-Tzung Hsu, Long-Chun Tsai | 2001-07-17 |
| 6162354 | Integrated check valve/strainer-filter assembly | Jiann-Jong Wang, Ming Ni, Shao Wei Ku, Wei-Cheng Lee, Ta Jung Feng +1 more | 2000-12-19 |