Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364578 | Lockable orthodontic appliance | Qinhui Zhang, Li Ji | 2025-07-22 |
| 12303349 | Orthodontic appliance | Tingjin ZHONG, Li Ji, Wei Yu | 2025-05-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364578 | Lockable orthodontic appliance | Qinhui Zhang, Li Ji | 2025-07-22 |
| 12303349 | Orthodontic appliance | Tingjin ZHONG, Li Ji, Wei Yu | 2025-05-20 |