Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11145472 | Electrical contact system | Xiaoning Zhang | 2021-10-12 |
| 11017960 | Electrical contact system | Xiaoning Zhang | 2021-05-25 |
| 10950400 | Electric contact system | Xiaoning Zhang | 2021-03-16 |
| 10937605 | Electrical contact system | Xiaoning Zhang | 2021-03-02 |