Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886036 | Method and arrangement for generating ignition sparks in an internal combustion engine | Sven H. Johansson | 1989-12-12 |
| 4848287 | Method and system for controlling spark ignition in internal combustion engine | Per Gillbrand, Sven H. Johansson | 1989-07-18 |