Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10663396 | Refrigerant analyzer and a method of using the same | Lei Chen, Zhiwei Yang, Farley William Postgate, Ivan Rydkin | 2020-05-26 |
| 10648943 | Refrigerant analyzer and a method of using the same | Lei Chen, Zhiwei Yang, Ivan Rydkin | 2020-05-12 |