FB

Franz-Rudolf Block

MA Mannesmann Ag: 1 patents #20 of 129Top 20%
📍 Roetgen, DE: #1 of 5 inventorsTop 20%
Overall (1994): #136,344 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5323417 Metallurgical vessel for direct-current arc equipment Werner Hofmann 1994-06-21