JM

Jacobus A. de Waal Malefijt

HB Hoogovens Groep B.V.: 1 patents #37 of 138Top 30%
📍 Haarlem, NL: #116 of 252 inventorsTop 50%
Overall (All Time): #3,958,458 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4768685 Metallurgical vessel and adjustment device Cornelis Haringhuizen 1988-09-06