FB

Friedrich Benthaus

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
📍 Werden, DE: #9 of 19 inventorsTop 50%
Overall (All Time): #4,121,893 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4228508 Automatic longwall mining system and method — 1980-10-14