Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9902461 | Rider-powered vehicles and mechanisms thereof | Silvana A. Bezerra, Gabor Nagy | 2018-02-27 |
| 8632089 | Mechanism for converting reciprocal motion to rotary motion | Silvana A. Bezerra | 2014-01-21 |
| 5716069 | Motion transfer mechanism for transferring reciprocol motion to rotary motion | Silvana A. Bezerra | 1998-02-10 |
| 5405157 | Rider-propelled wheeled land vehicle | Silvana A. Bezerra | 1995-04-11 |
| 5242182 | Bicycle and the like | Silvana A. Bezerra | 1993-09-07 |