Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7461835 | Humidifier | Rolf Petz | 2008-12-09 |
| 6691440 | Device for artificially simulating a fire | Martin Betz, Günter Lunscher | 2004-02-17 |
| 4636615 | Electrical resistance heating element having a bimetallic protective switch | — | 1987-01-13 |
| 4408787 | System for connecting the edge areas of thin-walled bodies | — | 1983-10-11 |
| 4407534 | Arrangement for connecting edge areas of thin-walled bodies | — | 1983-10-04 |
| 4358649 | Rotary switch | — | 1982-11-09 |