Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924465 | Display device with illuminating device for a domestic electric heating apparatus | Wilfried Schilling, Christian Egenter, Alfred Fischer, Juergen Katzenmayer | 2005-08-02 |
| 6734377 | Touch switch layout and method for the control of a touch switch | Elmar Herweg | 2004-05-11 |
| 6552307 | Temperature detection device for an electric radiant heater | Wilfried Schilling, Wilhelm Perrin | 2003-04-22 |
| 6518820 | Circuit arrangement having a capacitive sensor element for a touch contact switch | — | 2003-02-11 |