Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878679 | Variably operable hand-held device | Uto Plank, Erwin Manschitz | 1989-11-07 |
| 4830549 | Hand-held device with tool sensing means | Uto Plank | 1989-05-16 |
| 4825961 | Drilling device | Hans-Jurgen Hoereth | 1989-05-02 |
| 4798249 | Lockable striking mechanism for hammer drill | Hans-Jurgen Hoereth | 1989-01-17 |