Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890180 | Series capacitor equipment | — | 1989-12-26 |
| 4829903 | Ammunition device | Jan Axinger, Bernt-Olov Bergman, Ingemar Johansson, Tomas Lonnermo, Per-Olof Persson | 1989-05-16 |
| 4829229 | Series capacitor equipment | Rutger Johansson | 1989-05-09 |