Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D776254 | Handheld respiratory device | Yutian Li, Thomas A. Bonnell | 2017-01-10 |
| D776255 | Handheld respiratory device | Yutian Li, Thomas A. Bonnell | 2017-01-10 |
| D771798 | Handheld respiratory device | Yutian Li, Thomas A. Bonnell | 2016-11-15 |
| D765831 | Mouthpiece for handheld respiratory device | Yutian Li, Thomas A. Bonnell | 2016-09-06 |
| D271188 | Pendant | — | 1983-11-01 |