FT

Francois M. I. G. Terwinghe

NS N.V. Union Miniere S.A.: 1 patents #5 of 17Top 30%
Overall (All Time): #3,638,942 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5858315 Process for the extraction of zinc from sulphide concentrates John W. Van Put, Thierry S. A. De Nys 1999-01-12