Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525300 | Cooking surface for cooking food having a glass ceramic surface with a glass coating thereon | Friedrich Siebers, Jutta Reichert, Cora Krause, Otmar Becker, Michael Bug | 2003-02-25 |
| 6515263 | COOKING STOVE HAVING A SMOOTH-TOP GLASS CERAMIC COOKTOP, AND A SMOOTH-TOP GLASS CERAMIC COOKTOP WITH A GLASS CERAMIC COOKTOP COOKING SURFACE, METHOD FOR PRODUCTION OF STOVES WITH SMOOTH-TOP GLASS CERAMIC COOKTOPS AND SMOOTH-TOP GLASS CERAMIC COOKTOPS | Friedrich Siebers, Otmar Becker, Andreas Schminke, Bernd Rüdinger, Christian Roos +4 more | 2003-02-04 |