Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146386 | Electronic monitoring and redundant control circuit for a power switch | — | 1992-09-08 |
| 5075642 | Oscillator circuit | — | 1991-12-24 |
| 4467144 | Telephone annuciator extender | Timothy M. Wilkerson | 1984-08-21 |