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Hans-Joachim Dreher

GG Gewerkschaft Eisenhutte Westfalia Gmbh: 1 patents #74 of 163Top 50%
📍 Lichtenau, DE: #37 of 70 inventorsTop 55%
Overall (All Time): #4,068,085 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4324510 Apparatus for supporting a mine roof support assembly Kunibert Becker 1982-04-13