Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10105822 | Holding device for a grinding means | Stefan Christen, Thomas Emler, Stephan Fritsch, Michael Gaenzler, Roman Zaech +2 more | 2018-10-23 |
| 9969057 | Abrasive means | Georg Hejtmann, Thomas Rohner, Roman Zaech, Thomas Kipfer, Ralf Materna +5 more | 2018-05-15 |
| 6739543 | Device for winding a multipole stator | Urs Rieser, Vinzenz Wyss | 2004-05-25 |