Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683437 | Frequency subtractor | — | 1987-07-28 |
| 4387684 | Ignition advance circuit with sensor inputs | — | 1983-06-14 |
| 4385605 | Electronic ignition input logic | Adelore F. Petrie | 1983-05-31 |
| 4380980 | Ignition spark timing circuit | — | 1983-04-26 |
| 4329959 | Dwell circuitry for an ignition control system | — | 1982-05-18 |
| 4241708 | Ignition spark timing circuit with switchable hysteresis | — | 1980-12-30 |
| 4204157 | Periodic engine speed monitoring circit utilizing sampling circuitry | — | 1980-05-20 |