Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6042133 | Index shifter for bicycle transmissions | Bernhard Johanni, Max Rumpel, Klaus Konig, Klaus Stuhler, Markus Arbeiter | 2000-03-28 |
| 5182962 | Actuating force transmission unit for a gear change mechanism of a bicycle | — | 1993-02-02 |
| 4676118 | Speed change mechanism for a bicycle | — | 1987-06-30 |
| 4343613 | Derailler system | Josef Keller, Kurt Schuller, Ewald Eisend | 1982-08-10 |
| 4183255 | Bicycle with derailleur arrangement | — | 1980-01-15 |