JF

Jacob Felthuis

HB Hoogovens Ijmuiden B.V.: 1 patents #1 of 3Top 35%
📍 Alkmaar, NL: #1 of 2 inventorsTop 50%
Overall (1982): #56,464 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4332554 Shaft furnace having cooling plates Jacobus Van Laar, Wilhelmus A. J. Kastelic 1982-06-01