Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662893 | Opposed piston engine with improved piston surfaces | James C. Warren | 2020-05-26 |
| 10605483 | Combination systems and related methods for providing power, heat and cooling | James C. Warren | 2020-03-31 |