Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976226 | Method for increasing the heat efficiency of a piston combustion engine | — | 1990-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976226 | Method for increasing the heat efficiency of a piston combustion engine | — | 1990-12-11 |