Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6276357 | Cooktop with a cooktop frame | Bernd Stitzl, Joachim Grützke | 2001-08-21 |
| 5990457 | Glass-ceramic cook top | Herbert Steiner, Rudolf Meierhofer | 1999-11-23 |
| 5844206 | Glass-ceramic cooktop | Herbert Steiner, Rudolf Meierhofer | 1998-12-01 |