Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169198 | Microcrystalline α-Al2O3 shaped body, method for the production and use thereof | Wilhelm Pirmin, Frank Joerg Clemens | 2007-01-30 |
| 7122064 | AI2O3 and ZrO2 based abrasive grain, method for the production and use thereof | Alessandro Dazza, Hans Zeiringer, Wolfgang Bucar | 2006-10-17 |
| 6284694 | Moulded spherical ceramic body, production process and use | Pirmin Wilhelm, Martin Luette | 2001-09-04 |