Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641561 | Disc-shaped tool | Jorg Plester | 1987-02-10 |
| 4640057 | Dressing-grinding process and electronically controlled grinding machine | — | 1987-02-03 |
| 4406202 | Rotatable article, such as a tool, provided with means for damping vibration | Ulrich Bartsch | 1983-09-27 |
| 4285260 | Rotatable article, such as a tool provided with means for damping vibration | Ulrich Bartsch | 1981-08-25 |
| 4201103 | Circular saw tool | Ulrich Bartsch | 1980-05-06 |