Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039038 | Drilling assisting device for hand-guided drill | Manfred Buck, Robert Handschuh, Helmut Kratt | 2000-03-21 |
| 5888031 | Drilling device | Manfred Buck, Juergen Veit, Siegfried Fehrle, Wilfried Kabatnik, Vinzenz Haerle | 1999-03-30 |