Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638331 | Intake arrangement for the combustion air of an internal combustion engine | — | 2003-10-28 |
| 6595169 | Internal combustion engine having adjustable CO characteristic curve | Michael Raffenberg, Heiko Rosskamp | 2003-07-22 |
| 6581554 | Internal combustion engine having a diaphragm carburetor and adjustable CO level | — | 2003-06-24 |