JB

Jahannes A.M. Butter

HB Hoogovens Groep B.V.: 1 patents #37 of 138Top 30%
📍 Uitgeest, NL: #11 of 24 inventorsTop 50%
Overall (All Time): #3,989,040 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4565525 Taphole construction of a shaft furnace Jacobus Van Laar, Jacob Felthuis, Jacob Rengersen, Albert Sannes 1986-01-21