RE

Robert J. Erdbrink

HB Heerema Engineering Service Bv: 1 patents #7 of 10Top 70%
Overall (All Time): #3,895,211 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4898288 Semi-submersible crane vessel — 1990-02-06