Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418359 | Control device, especially a temperature control device such as a room temperature control device | Roland Wolf, Hermann Köhler, Bernhard Frenzel, Michael Neubauer | 2002-07-09 |
| 4557606 | Power line-operated electronic time-clock | Alfred Meisner, Werner Arnold, Hans Grasser | 1985-12-10 |