Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811593 | Air-cleaning device and method for arranging air cleaning in sensitive environments | Ulf Hörnqvist | 2004-11-02 |
| 5999057 | Arrangement and method relating to signal power amplification | Torsten Carlsson | 1999-12-07 |
| 5896264 | Device for current limitation and protection against short-circuit currents in an electric installation | Maria Bijlenga, Lars Banghammar, Ola Jeppsson | 1999-04-20 |
| 5382938 | PTC element | Per-Olof Karlström | 1995-01-17 |
| 5296996 | Device for motor and short-circuit protection | Per-Olof Karlström | 1994-03-22 |