Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9737841 | Air purification system | — | 2017-08-22 |
| 9562702 | Air treatment apparatus and method | Yiu Wai Chan | 2017-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9737841 | Air purification system | — | 2017-08-22 |
| 9562702 | Air treatment apparatus and method | Yiu Wai Chan | 2017-02-07 |