Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966824 | Arrangement for detachably securing a grinding wheel or a group of grinding wheels on a wheel spindle | Ansgar Schmitz | 2005-11-22 |
| 6902468 | Assembly for machining the edges of spectacle lenses | Joerg Luderich, Ralf Werner | 2005-06-07 |
| 6855042 | Retaining device for a block or suction element | Ralf Werner | 2005-02-15 |