Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8355234 | Condition monitor for an electrical distribution device | Kristina Nilman-Johansson, Kenneth Wallin | 2013-01-15 |
| 5136451 | Current limiter | Stefan Valdemarsson | 1992-08-04 |
| 5083232 | Fault current limiter | Nils-Johan Bergsjo, Birger Drugge, Lars Liljestrand | 1992-01-21 |
| 4714974 | Current limiter | Stefan Joader, Stefan Valdemarsson | 1987-12-22 |