Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790846 | Multi-cylinder opposed stepped piston engine | Jean-Pierre Pirault | 2017-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790846 | Multi-cylinder opposed stepped piston engine | Jean-Pierre Pirault | 2017-10-17 |