HC

Hans Jørgen Christensen

RA Ruhrkohle Ag: 1 patents #1 of 8Top 15%
📍 Gelsenkirchen, DE: #2 of 4 inventorsTop 50%
Overall (1982): #61,424 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4361079 Apparatus for extending ventilating conduits Paul Schlager, Werner Korfmann 1982-11-30