Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377989 | Air-cooled internal combustion engine having a cooling air blower driven by a hydraulic coupling | Paul Tholen, Achim zur Nieden | 1983-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377989 | Air-cooled internal combustion engine having a cooling air blower driven by a hydraulic coupling | Paul Tholen, Achim zur Nieden | 1983-03-29 |