Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9922777 | Vacuum switching apparatus and electrical contact therefor | Wangpei Li, Li Yu | 2018-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9922777 | Vacuum switching apparatus and electrical contact therefor | Wangpei Li, Li Yu | 2018-03-20 |