Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D500156 | Lighting fixture | — | 2004-12-21 |
| D442311 | Lighting fixture | Yu-Tai Kao | 2001-05-15 |
| 5091834 | Universal lighting fixture replaceable with diversified lamps | Yu-Tai Kao | 1992-02-25 |