WW

Wilfried Witulski

GA Gutehoffnungshutte Sterkrade A.G.: 1 patents #2 of 11Top 20%
📍 Unna, DE: #61 of 117 inventorsTop 55%
Overall (All Time): #4,103,455 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4181363 Mining method and mining machine for cutting away hard mineral materials Heinrich Goris, Roland Gunther, Kurt Ogorek, Karl H. Schwarting 1980-01-01