JR

Johan A. Rivertz

AH A/S Hoyer-Ellefsen: 1 patents #5 of 10Top 50%
📍 Oslo, NO: #1,297 of 2,623 inventorsTop 50%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4310052 Offshore structure for production of hydrocarbons — 1982-01-12