Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363390 | Ratchet gear for the driving hub of a bicycle | Josef Keller | 1982-12-14 |
| 4343613 | Derailler system | Berndt Leiter, Josef Keller, Kurt Schuller | 1982-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363390 | Ratchet gear for the driving hub of a bicycle | Josef Keller | 1982-12-14 |
| 4343613 | Derailler system | Berndt Leiter, Josef Keller, Kurt Schuller | 1982-08-10 |