Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6851209 | Integrated advertisement board | Yuan-Tai Hsieh | 2005-02-08 |
| 6305821 | Led lamp having ball-shaped light diffusing modifier | Yuan-Tai Hsieh | 2001-10-23 |
| 4804193 | Circuitry for electronic scoring dartboard | Daniel Lin | 1989-02-14 |