Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867270 | Exhaust gas muffler for a two-stroke engine | Jurgen Grassmuck, Wilfried Muller, Helmut Zimmermann | 1989-09-19 |
| 4819779 | Centrifugal clutch | Hans Nickel, Horst Scholz | 1989-04-11 |
| 4807573 | Fuel injection arrangement for a two-stroke engine | Roland Schierling, Werner Geyer, Hans Nickel | 1989-02-28 |