Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638777 | Compression or spark ignition four-stroke internal combustion engines having a variable compression ratio enabling high supercharging pressure levels | — | 1997-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638777 | Compression or spark ignition four-stroke internal combustion engines having a variable compression ratio enabling high supercharging pressure levels | — | 1997-06-17 |