AR

Aloysius G. Roggekamp

BN Ballast-Nedam Groep N.V.: 1 patents #2 of 16Top 15%
📍 Alphen aan den Rijn, NL: #54 of 142 inventorsTop 40%
Overall (All Time): #4,034,744 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4449720 Watertight seal between two concrete elements Tjako A. Wolters 1984-05-22