Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203952 | Opposed piston engine with variable compression ratio | James C. Warren, Dennis K. Scheer | 2021-12-21 |
| 10280810 | Opposed piston engine with variable compression ratio | James C. Warren, Dennis K. Scheer | 2019-05-07 |
| 9708910 | Inwardly opposed pistons, fixed position common cylinder engine with external induction | — | 2017-07-18 |