Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9719415 | Energy storage and conversion in free-piston combustion engines | Matthew Roelle, Adam Simpson | 2017-08-01 |
| 9657675 | Control of piston trajectory in a free-piston combustion engine | Matthew Roelle | 2017-05-23 |