Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10763465 | Secondary battery head cover assembly, secondary battery including the same and assembling method thereof | Qingkui CHI | 2020-09-01 |
| 10700314 | Secondary battery head cover assembly, secondary battery including the same and assembling method thereof | Qingkui CHI | 2020-06-30 |