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Burkhart Schifferings

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
📍 Duisburg, DE: #420 of 870 inventorsTop 50%
Overall (All Time): #3,809,275 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5357773 Method of longitudinal rolling of seamless pipe Johann H. Rohde, Rolf Kümmerling, Jochen Vochsen, Karl Hausler, Gunther Voswinckel 1994-10-25