JH

Johannes T. Hopman

HB Holec Systemen En Componenten B.V.: 1 patents #7 of 26Top 30%
Overall (All Time): #3,905,573 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4935711 Electromagnetic switch Derk van der Scheer, Jan W. Hoekstra 1990-06-19