Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748917 | Direct injection spark ignition engine | Michael Hoffmann | 2004-06-15 |
| 5435358 | Fuel tank filler neck closure | Karl-Heinz Kempka, Oliver Meister | 1995-07-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748917 | Direct injection spark ignition engine | Michael Hoffmann | 2004-06-15 |
| 5435358 | Fuel tank filler neck closure | Karl-Heinz Kempka, Oliver Meister | 1995-07-25 |