Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545431 | Dimmable electronic ballast | Ron Shu Yuen Hui, Henry Chung, Stephen Tsz-sek Lee | 2003-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545431 | Dimmable electronic ballast | Ron Shu Yuen Hui, Henry Chung, Stephen Tsz-sek Lee | 2003-04-08 |