Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830739 | Method of reducing the dust generation of silicates | Wilfried Wolf | 2004-12-14 |
| 5753741 | Casting composition | Stefan Harke, Stephanie Grathwohl, Klaus Hock, Rudolf Paternoster, Werner Fenzl | 1998-05-19 |