Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820979 | Electronic instrument unit for use on a bicycle having a signal receiver on both sides of the unit | Johannes Jager, Richard Gerstner, Gunter Look | 1989-04-11 |
| 4349342 | Chain shifting device | — | 1982-09-14 |
| 4270411 | Washing machine drive assembly | Giuseppe Pengo | 1981-06-02 |
| 4229997 | Multiple speed hub for a bicycle with centrifugally controlled speed change and override mechanism actuated by back pedaling | — | 1980-10-28 |