Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683681 | Grinding wheel with balancing ring | — | 1987-08-04 |
| 4475318 | Device for clamping crankshafts in grinding machines | — | 1984-10-09 |
| 4297926 | Machine tool with offset compensation | Heinz Jansen | 1981-11-03 |