Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900402 | Pushbutton switch with LED indicator | King Mo Shum | 2005-05-31 |
| 6876172 | Portable battery charge | King Mo Shum | 2005-04-05 |
| D457134 | DC adaptor | King Mo Shum | 2002-05-14 |
| D446187 | AC adaptor | King Mo Shum | 2001-08-07 |