Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179927 | Injection-type combustion engine with electric spark ignition and a heating system | Jurgen Henke, Peter Fruh | 1993-01-19 |
| 4967706 | Internal-combustion engine of the injection type, and plate intended for fitting between the inlet ports of a cylinder block of such an engine and an inlet tube | Gustaaf Louis van Wechem, Arie Van Der Ploeg, Gerrit J. Beunk, Juergen Henke, Peter Frueh | 1990-11-06 |