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Francis Belanger

NO Noranda: 1 patents #54 of 153Top 40%
Overall (All Time): #3,821,055 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5200042 Process to recover pure copper during purification of zinc sulfate solution George Houlachi, Carole Allen 1993-04-06