Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10533981 | Air quality measurement with modular sensor system and method | Wei-Ying Yi, Kwong Sak Leung | 2020-01-14 |
| 9351530 | Warm cap with security features | — | 2016-05-31 |
| 9277779 | Warm cap with security features | — | 2016-03-08 |