Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605759 | Metal seal for ultra high vacuum system | Qingpo Xi, Feng Cao, Fumin He, Zhongwei Chen | 2017-03-28 |
| 9581245 | Metal seal for ultra high vacuum system | Qingpo Xi, Feng Cao, Fumin He, Zhongwei Chen | 2017-02-28 |