Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11337469 | Respiratory protection device and processes for producing the same | Yu-Chieh Liang, Benchiao Jai | 2022-05-24 |
| D872256 | Strapless collapsible respiratory mask | Yu-Chieh Liang, Benchiao Jai | 2020-01-07 |