HK

Helmut Knuppel

EM Eisenwerk-Gesellschaft Maximillanshutte: 1 patents #4 of 10Top 40%
📍 Sulzbach-Rosenberg, DE: #40 of 63 inventorsTop 65%
Overall (All Time): #4,083,396 of 4,157,543Top 100%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4249719 Tuyere for the injection of reaction gas Karl Brotzmann, Hans-Georg Fassbinder, Ernst Fritz 1981-02-10