Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338813 | Electronic engine synchronization and timing apparatus | Roy E. Hunninghaus | 1982-07-13 |
| 4338903 | Electronic cylinder identification apparatus for synchronizing fuel injection | — | 1982-07-13 |