Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205794 | Shift mechanism for bicycle | — | 1993-04-27 |
| 5152720 | Bicycle transmission | Marc S. Browning | 1992-10-06 |
| 5073152 | Bicycle transmission | — | 1991-12-17 |
| 4894046 | Control unit for chain shifter | — | 1990-01-16 |
| 4580997 | Two speed sprocket shift assembly | Christopher Michael Browning | 1986-04-08 |