Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525292 | Respiratory device with unidirectional valve for attaching active venting system | Ee Ho Tang, Jérôme Lee | 2020-01-07 |
| D811580 | Unidirectional valve for face mask | Ee Ho Tang, Wei-Liang Lee | 2018-02-27 |
| D760380 | Child active venting system for disposable respirator | Ee Ho Tang, Wei-Liang Lee | 2016-06-28 |