Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883775 | Overvoltage protector | — | 1999-03-16 |
| 5838057 | Transistor switches | David Garnham | 1998-11-17 |
| 5815359 | Semiconductor device providing overvoltage protection against electrical surges of positive and negative polarities, such as caused by lightning | Kevin Howard | 1998-09-29 |
| 5623215 | Testing of semiconductor devices | — | 1997-04-22 |
| 5418834 | Maintenance termination units | Stephen W. Byatt | 1995-05-23 |
| 5401984 | Semiconductor component for transient voltage limiting | Stephen W. Byatt | 1995-03-28 |
| 5161183 | Overvoltage protection circuits | — | 1992-11-03 |
| 4673844 | Starter circuit for a fluorescent tube lamp | Anthony Lear | 1987-06-16 |
| 4629944 | Starter circuit for a fluorescent tube lamp | Anthony Lear, Stephen W. Byatt, Richard Rodrigues | 1986-12-16 |
| 4590548 | A.C. supply converter | — | 1986-05-20 |