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Dieter Johnen

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
📍 Düren, DE: #61 of 113 inventorsTop 55%
Overall (All Time): #3,765,495 of 4,157,543Top 95%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5395463 Method and arrangement for reduction annealing of iron powder Viktor Linnemann, Georg Huber, Friedrich W. Ischebeck 1995-03-07