Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11324287 | Detachable belt buckle | Nianqing Wang | 2022-05-10 |
| 11129449 | Double-sided usable belt buckle | Nianqing Wang | 2021-09-28 |
| 11096454 | Double-sided usable belt buckle and belt thereof | Nianqing Wang | 2021-08-24 |
| 11064769 | Rotary belt buckle | Nianqing Wang | 2021-07-20 |