Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854286 | Device for adapting the air/fuel metering system and the ignition system of an internal combustion engine to enable the engine to run with all normally available grades of petrol (gasoline) fuel | — | 1989-08-08 |
| 4819599 | Device for controlling the ignition timing of an internal combustion engine | — | 1989-04-11 |