Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6363182 | Optical switch for reciprocal traffic | James D. Mills, Roger P. Holmstrom | 2002-03-26 |
| 5929324 | Apparatus for detecting leakage in a gas reactor | Tien-Chen Hu | 1999-07-27 |
| 5913183 | Check device for air activated pressure valve | Tain-Jenn Hu, Jeng-Ding Tseng | 1999-06-15 |
| 5896852 | Chemical reactant bottle and method of use thereof | Tain-Chen Hu, Chang-Yueh Wu | 1999-04-27 |