Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5859592 | Reduced current consumption circuit for LED devices | — | 1999-01-12 |
| 5126652 | Universal input voltage power supply | — | 1992-06-30 |
| 5091640 | Phase advance for ambient light suppression in phototransistors | Colin Cornhill | 1992-02-25 |