Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821628 | Glass-ceramic cooking panel that makes deposited material, such as dirt, less conspicuous | Bernd Schultheis, Waldemar Weinberg, Monica Cotlear De Witzmann, Friedrich Siebers, Klaus Schoenberger | 2004-11-23 |