OG

Otto-Ernst Glaesmann

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
Overall (All Time): #4,079,553 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4362440 Tubular lost borehole closure Frank Meyer, Walter Marsch 1982-12-07