Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10881819 | First-aid mask and inflatable structure thereof | Yung-Chu Cheng, Chien-Feng CHENG | 2021-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10881819 | First-aid mask and inflatable structure thereof | Yung-Chu Cheng, Chien-Feng CHENG | 2021-01-05 |