Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9842713 | Vacuum circuit interrupter | Li Yu, He Yang, Wenjie Hou, Yucheng Li, Jun Yan | 2017-12-12 |
| 9552941 | Vacuum switching apparatus and electrical contact therefor | Wangpei Li, Franklin Willis Freeborn | 2017-01-24 |