Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278233 | Arrangement for actuating gas-change valves | Wolfgang Fuhrmann | 1981-07-14 |
| 4231543 | Controllable hydraulic valve mechanism for reciprocating engines or pumps | Wolfgang Fuhrmann | 1980-11-04 |