Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11790711 | Keys and locks | Yaowu Ma, Fen Ruan, Jun Ma, Pinzhen Huang, Qianjia Ma +1 more | 2023-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11790711 | Keys and locks | Yaowu Ma, Fen Ruan, Jun Ma, Pinzhen Huang, Qianjia Ma +1 more | 2023-10-17 |