Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7069662 | Drill level indicator | George Fung, Patrick CK Kwok, Vincent P. Cooper, Chan Ka Shing | 2006-07-04 |
| 7021399 | Power tool | — | 2006-04-04 |
| 6810596 | Drill level indicator | George Fung, Patrick CK Kwok, Vincent P. Cooper, Chan Ka Shing | 2004-11-02 |
| 6675911 | Coupling mechanism | — | 2004-01-13 |
| 6634439 | Interlock mechanism | — | 2003-10-21 |
| 6553642 | Coupling method | — | 2003-04-29 |
| 5792276 | Method and apparatus for controlling a dishwasher | — | 1998-08-11 |