Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5934174 | Lightweight articulated piston head and method of making the piston head | Carmo Ribeiro | 1999-08-10 |
| 5839352 | Articulated piston | Carmo Ribeiro, Marcos Clemente, Alan S. Brown, Kristopher R. Bare | 1998-11-24 |