Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351281 | Method and system for operation of a spark-ignited internal combustion engine | Istvan Geiger, Heinz Theuerkauf | 1982-09-28 |
| 4338899 | Method and apparatus for controlling the idling operation of a spark-ignited internal combustion engine | Istvan Geiger, Reinhard Bruning, Manfred Meyer | 1982-07-13 |