Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531791 | System for power connection and reconnection | Leif Hansson, Attila Mathe, Kjell Rundkvist, Gote Johansson | 2003-03-11 |
| 5381296 | Short circuit limiting protector | Leif Hansson | 1995-01-10 |
| 4695413 | Protective circuit for a hacker type DC converter | Per Lilja, Roland Wald, Matts F. Stahl | 1987-09-22 |