Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9320099 | LED Switch Circuitry for Varying Input Voltage Source | Wa Hing Leung | 2016-04-19 |
| 9113525 | LED switch circuitry for varying input voltage source | Wa Hing Leung | 2015-08-18 |
| 8947014 | LED switch circuitry for varying input voltage source | Wa Hing Leung | 2015-02-03 |
| 8508140 | LED switch circuitry for varying input voltage source | Wa Hing Leung | 2013-08-13 |