Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861522 | Carburetor for an internal combustion engine | Hans Holderle, Jurgen Wolf, Werner Vonderau | 1989-08-29 |
| 4816192 | Portable handheld motor-driven tool | Mohamed Abou-Aly, Eberhard Bohnacker, Bernhard Kiefel, Reinhard Friedrich, Erich Krauter | 1989-03-28 |