Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829963 | Method for the regulation of the mixture composition in a mixture-compressing internal combustion engine | Joerg Abthoff, Karlwalter Schmidt | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829963 | Method for the regulation of the mixture composition in a mixture-compressing internal combustion engine | Joerg Abthoff, Karlwalter Schmidt | 1989-05-16 |