Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086407 | Method and device for environmental monitoring | Yiu Wai Chan | 2011-12-27 |
| 8038778 | Air purification apparatus | Yiu Wai Chan | 2011-10-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086407 | Method and device for environmental monitoring | Yiu Wai Chan | 2011-12-27 |
| 8038778 | Air purification apparatus | Yiu Wai Chan | 2011-10-18 |