FD

Francis Defretin

PK P C U K Produits Chimiques Ugine Kuhlmann: 1 patents #19 of 65Top 30%
📍 Halluin, FR: #7 of 12 inventorsTop 60%
Overall (All Time): #4,065,021 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314907 Oil additive compositions for internal combustion engines Jean-Paul Eudeline, Elisabeth Schoch, Alain Voisin 1982-02-09