Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11164712 | Fixing and unlocking mechanism for plug-in type circuit breaker | Yanqun Yang | 2021-11-02 |
| 11075037 | Opening/closing indicating apparatus for circuit breaker operating apparatus | Yanqun Yang | 2021-07-27 |
| 10991521 | Locking device for circuit breaker operation device | Yanqun Yang | 2021-04-27 |