Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570334 | Apparatus for adjusting the valve control of a reciprocating piston internal combustion engine | Joachim Hahn | 1986-02-18 |
| 4461062 | Method for adjusting the valve control of a reciprocating piston internal combustion engine, especially of a diesel engine | Joachim Hahn | 1984-07-24 |