Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814655 | Attachment for grinder | Albrecht Hofmann, Harald Krondorfer, Markus Heckmann | 2004-11-09 |
| 6786811 | Grinding machine tool support | Harald Krondorfer, Ralph Dammertz, Zaal-Azhar Alias, Markus Heckmann, Joachim Schadow +4 more | 2004-09-07 |