Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8760065 | Passive anti-arcing protection device for fluorescent lamp ballast | Cho Sing Chan | 2014-06-24 |
| 8400076 | Current leakage protection device for LED applications | Cho Sing Chan | 2013-03-19 |