Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421191 | Knock sensor diagnostic system | Jan S. Pyko | 1995-06-06 |
| 5392643 | Oxygen heater sensor diagnostic routine | Maura P. O'Kennedy, Min Sway-Tin, Anson Lee | 1995-02-28 |
| 5099811 | Method for firing spark plugs | Douglas C. Frantz | 1992-03-31 |
| 5072098 | Electrically heated windshield controller | Geoffrey Matthews, Jan S. Pyko | 1991-12-10 |
| 4574758 | Individual cylinder spark deration | — | 1986-03-11 |