Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605759 | Metal seal for ultra high vacuum system | Qingpo Xi, Tao Li, Feng Cao, Zhongwei Chen | 2017-03-28 |
| 9581245 | Metal seal for ultra high vacuum system | Qingpo Xi, Tao Li, Feng Cao, Zhongwei Chen | 2017-02-28 |