Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D837673 | Emergency light | Wei-Lun Chao | 2019-01-08 |
| D804978 | Emergency light | Wei-Lun Chao | 2017-12-12 |
| 5923126 | Fluorescent lamp electronic ballast with rapid voltage turn-on after preheating | Kevin Yang, John Yu, Albert Peng, Feng-Kang Hu | 1999-07-13 |