Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872695 | Torque-multiplying kinematic device particularly for bicycles and bicycles employing said kinematic device | Tomba Silvano | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872695 | Torque-multiplying kinematic device particularly for bicycles and bicycles employing said kinematic device | Tomba Silvano | 1989-10-10 |