Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D660907 | Paper shredder | Lau Hee Wing, Lam Kwok Fan | 2012-05-29 |
| D618275 | Paper shredder | Lau Hee Wing, Lam Kwok Fan | 2010-06-22 |
| D616490 | Paper shredder | Ng Mun Lung, Lau Hee Wing | 2010-05-25 |
| D614690 | Paper shredder | Lau Hee Wing, Michael Kent | 2010-04-27 |
| D602982 | Paper shredder | Benson Cheung Chun Kit, Lau Hee Wing | 2009-10-27 |
| D602983 | Paper shredder | Benson Cheung Chun Kit, Lau Hee Wing | 2009-10-27 |