Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351080 | Circuitry for dimming a fluorescent lamp | Berthold Birk, Gunter Hahlganss, Ulrich Roskoni | 2002-02-26 |
| 5479314 | Circuit arrangement having a semiconductor switch for the switching of a load | — | 1995-12-26 |
| 5285345 | Modulator switching system having at least one semiconductor switch for adaptation to different load ranges and protection thresholds | Thomas Blumel, Joachim Meicher, Bernhard Lukas | 1994-02-08 |
| 5262676 | Switching system developed as module having at least one semiconductor switch for switching a load | Thomas Blumel, Joachim Meicher, Bernhard Lukas | 1993-11-16 |