Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381466 | Abrasive with improved abrasive properties comprising a coating of complex oxide and silicate binding agent | Hans Zeiringer | 2008-06-03 |
| 7097679 | Abrasive grain with an abrasive coating | Franz Skale | 2006-08-29 |
| 6811582 | Abrasive grain with an abrasive coating | Franz Skale | 2004-11-02 |