Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478293 | Hammer drill or chipping hammer | Nikolaus Frick, Peter Hirt | 1984-10-23 |
| 4426588 | Weighting circuit for an electrical torque signal in a drilling machine | — | 1984-01-17 |
| 4365961 | Friction clutch including rolling bodies for transmitting a limited torque | Nikolaus Frick | 1982-12-28 |