MN

Michel Neil

SS Societe Chimique Des Charbonnages S.A.: 1 patents #45 of 111Top 45%
📍 Annezin, FR: #2 of 3 inventorsTop 70%
Overall (All Time): #4,074,348 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344925 Ozone whitening of synthetic gypsum Philippe Pichat, Robert Sinn 1982-08-17