Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10128070 | Contact for a high-voltage vacuum arc extinguishing chamber | Heming Zhou, Haiyong Lin | 2018-11-13 |
| 10009718 | Sign-in method and device, sign-in server, and storage medium | — | 2018-06-26 |