Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085829 | Furnace insulation | Lars-Goran Johansson | 2011-12-27 |
| 5620156 | Device for operating a switch for rail points | Clarence Berggren, Uno Norrgård | 1997-04-15 |
| 4377835 | Recovery protection device for a thyristor valve | Gunnar Asplund, Bernt stlund | 1983-03-22 |