Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033264 | Rotary engine | — | 2011-10-11 |
| 7753036 | Compound cycle rotary engine | Charles E. Lents, Stephen P. Zeppieri, Roy N. Guile, Vincent C. Nardone, Arindam Dasgupta | 2010-07-13 |
| 5123820 | Pressure assisted apex seal with stepped slot | — | 1992-06-23 |
| 4931001 | Apex seal with filled aperture | — | 1990-06-05 |