Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D887362 | Ground fault circuit interrupter | Gui Chen, Hanliang Yu | 2020-06-16 |
| 10594131 | Power supply grounding fault protection circuit | Ze Chen, Ye Zhang | 2020-03-17 |
| D878298 | Power supply socket | Gui Chen, Hanliang Yu | 2020-03-17 |