Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7293944 | Power tool with tool bit holder operator | — | 2007-11-13 |
| 7157180 | Rechargeable battery pack | Kwok Kwong Ho, Heung Ching Ng | 2007-01-02 |
| 7107690 | Electric cutting tool | Hong Xu | 2006-09-19 |
| 7109613 | Power hand tool | — | 2006-09-19 |
| 7101267 | Tool holder for power tool | Hong Xu | 2006-09-05 |
| D526177 | Electric saw | — | 2006-08-08 |
| 6637987 | Drill bit | Kwok Kwong Ho | 2003-10-28 |
| 6506006 | Power hand tool having a detachable handle | Ping Hay Heun | 2003-01-14 |
| D453460 | Electric sander | — | 2002-02-12 |
| D453288 | Electric grinder | — | 2002-02-05 |
| D446431 | Electric driving tool | — | 2001-08-14 |
| D429133 | Electric saw | — | 2000-08-08 |
| D415941 | Electric jigsaw | — | 1999-11-02 |
| D403222 | Chuck for electric drill | — | 1998-12-29 |
| D401827 | Electric hand saw | — | 1998-12-01 |
| D400418 | Chuck for electric drill | — | 1998-11-03 |
| D392530 | Electric drill | — | 1998-03-24 |
| D389384 | Electric drill | — | 1998-01-20 |
| D388563 | Vacuum cleaner | — | 1997-12-30 |
| D384031 | Battery pack | — | 1997-09-23 |
| D384032 | Battery pack | — | 1997-09-23 |
| D377893 | Electric drill | — | 1997-02-11 |
| D365408 | Floodlight | — | 1995-12-19 |
| D337710 | Electric hand drill | Kam-Tong So | 1993-07-27 |
| D335604 | Roller blind | Chi-Wai Ko | 1993-05-18 |