Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967888 | Safety clutch for motor-operated hand tool | Martin Richter | 1990-11-06 |
| 4824298 | Hand-held tool with detachable tool bit chuck | Reinhard Riedl | 1989-04-25 |
| 4669551 | Electropneumatic hammer drill | Werner Theissig | 1987-06-02 |
| 4265008 | Tool for placing self-drilling dowels | Gerhard Teger | 1981-05-05 |