Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7667439 | Power converter arrangement and method | Lars Gertmar, Erik Koldby, Hans Christian Christensen, Jouko Niiranen | 2010-02-23 |
| 7447568 | Electric power network | Hans Christian Christensen, Lars Gertmar, Sture Lindahl, Juhani Mantere, Erik Koldby Nielsen | 2008-11-04 |