Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692430 | Articulated piston apparatus including a cooling gallery | Stephen Kelly | 1997-12-02 |
| 5483869 | Sealed articulated piston | Allyn P. Bock, Stephen Kelly, Brian R. Weller | 1996-01-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692430 | Articulated piston apparatus including a cooling gallery | Stephen Kelly | 1997-12-02 |
| 5483869 | Sealed articulated piston | Allyn P. Bock, Stephen Kelly, Brian R. Weller | 1996-01-16 |