ET

Erich Treiss

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
📍 Duisburg, DE: #420 of 870 inventorsTop 50%
Overall (All Time): #4,043,049 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4479043 Controlling the zone of longitudinally seam-welding split tubes Walter Hess, Franz Nicolai, Otto Gotting 1984-10-23