BR

Burkhard Retzlaff

MA Metallgesellschaft Ag: 1 patents #308 of 715Top 45%
📍 Karlsruhe, DE: #990 of 1,998 inventorsTop 50%
Overall (All Time): #3,909,681 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4950139 Process of catalytically reducing NO Wolfgang Fennemann, Werner Weisweiler, Bernd HOCHSTEIN 1990-08-21