HB

Hans Bergkvist

IS Institut Cerac S.A.: 1 patents #6 of 15Top 40%
📍 Ecublens, CH: #105 of 201 inventorsTop 55%
Overall (All Time): #4,011,414 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4503918 Rock drilling apparatus Hans Jaun 1985-03-12