Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10840698 | Leakage current detection and protection device for power cord | Chengli LI | 2020-11-17 |
| 10770823 | Safety shield assembly for power receptacle and related power receptacle | Chengli LI, Xiaoming Zhang | 2020-09-08 |
| 10770844 | Leakage current protection device for power plug | Chengli LI | 2020-09-08 |
| 10644438 | Power plug with leakage current protection device | Chengli LI | 2020-05-05 |
| 10557883 | Leakage current detection and protection device for power cord | Chengli LI | 2020-02-11 |