Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629330 | Arrangement for removing residue from cooking spills from a heated or cold cooking surface | Bernd Schultheis | 2003-10-07 |
| 6524641 | Method for producing substrates having defect free patterns thereon | Petra Auchter-Krummel, Waldemar Weinberg, Dave Campbell | 2003-02-25 |
| 5716712 | Glass-ceramic article decorated with ceramic colorings and method for making the same | Dieter Schonig, Dietmar Wennemann, Waldemar Weinberg | 1998-02-10 |