Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525292 | Respiratory device with unidirectional valve for attaching active venting system | Ee Ho Tang, Kwok Jiang Sak | 2020-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525292 | Respiratory device with unidirectional valve for attaching active venting system | Ee Ho Tang, Kwok Jiang Sak | 2020-01-07 |