Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796360 | Motor-driven chain saw with a sprocket guide | Manfred Fischer, Klaus Dussler, Werner Hartmann | 1989-01-10 |
| 4754549 | Motor-driven chain saw having an anti-kickback sprocket | Manfred Fischer, Werner Hartmann | 1988-07-05 |
| 4747214 | Saw chain for a motor-driven chain saw | Manfred Fischer, Klaus Dussler, Werner Hartmann | 1988-05-31 |
| 4597178 | Saw chain sharpener | Hans Dolata, Werner Meyle, Hermann Hagele, Ernst Buck | 1986-07-01 |
| 4558621 | Saw chain for a chain saw | Karl Nitschmann, Gunter Dietzsch, Werner Hartmann, Hans Kaiser, Werner Meyle +1 more | 1985-12-17 |