Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403576 | Fuel system for and a method of operating a spark-ignited internal combustion engine | John A. Vitkovits | 1983-09-13 |
| 4321056 | Measurement of engine oil consumption | — | 1982-03-23 |
| 4210103 | Fuel system for and a method of operating a spark-ignited internal combustion engine | John A. Vitkovits | 1980-07-01 |