JA

Johannes Arnhold

MA Metallgesellschaft Ag: 1 patents #308 of 715Top 45%
📍 Heusenstamm, DE: #63 of 116 inventorsTop 55%
Overall (All Time): #3,905,435 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4935099 Process for making wood charcoal Hans-Jurgen Weiss, Jorg Schmalfeld, Ingo Dreher 1990-06-19