Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009150 | Cooking unit with a glass-ceramic or glass panel made of transparent colorless material and provided with an IR permeable solid colored underside coating | Dietmar Wennemann, Monica Cotlear De Witzmann, Peter Nass, Evelin Weiss, Dieter Schoenig | 2006-03-07 |
| 6299940 | Glass ceramic article decorated with ceramic paints and method for producing the same | Holger Sieck | 2001-10-09 |