Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925133 | Portable floor sweeper | Wai Cheong Lee, Kwok Fung Pang | 2015-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925133 | Portable floor sweeper | Wai Cheong Lee, Kwok Fung Pang | 2015-01-06 |