Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664489 | Touch switch with illuminated sensor element surface and light guides | Andreas Kleinhans | 2003-12-16 |
| 6552307 | Temperature detection device for an electric radiant heater | Oliver Gremm, Wilhelm Perrin | 2003-04-22 |