WD

Wilhelm Demmer

SG Sigri Elektrographit Gmbh: 1 patents #13 of 30Top 45%
📍 Frankfurt am Main, DE: #1,132 of 1,925 inventorsTop 60%
Overall (All Time): #4,047,524 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4369683 Discharging device for an extrusion press Hartmut Bieg, Hans Jonas, Heinz Rosswurm, Ludwig Dobel 1983-01-25