Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828537 | Multi-speed free-wheel ring for bicycles | Michel Marnat | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828537 | Multi-speed free-wheel ring for bicycles | Michel Marnat | 1989-05-09 |