Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172260 | Method for partially grinding a surface and grinding device for carrying out the method | Werner UNNERSTALL, Christian Wall, Christian BURSTEIN, Stephan KAMPMEYER, Diethard Sinram | 2024-12-24 |
| 12115620 | Polishing device | Werner UNNERSTALL, Christian Wall, Christian BURSTEIN, Stephan KAMPMEYER, Diethard Sinram | 2024-10-15 |
| 8021450 | Abrasive wheels and production thereof | Diethard Sinram | 2011-09-20 |
| 5584755 | Abrasive wheel for hand-guided grinding machines, in particular abrasive cutting-off wheel | Diethard Sinram, Theodor Schneider | 1996-12-17 |