Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11551581 | Automatic injection training device | Wen-An Chang | 2023-01-10 |
| 11276328 | Automatic injection training device | — | 2022-03-15 |
| 11107369 | Automatic injection training device | Wen-An Chang | 2021-08-31 |