Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8178780 | Electric insulation material, an electric device comprising the insulation material and a transformer | Olof Hjortstam, Rongsheng Liu, Albert Jaksts | 2012-05-15 |
| 7525409 | Method of manufacturing a varistor | Åke Öberg, Peter Hidman, Ragnar Osterlund | 2009-04-28 |