HS

Hendrik Stallknecht

BL Billiton Sa Limited: 1 patents #2 of 10Top 20%
📍 Krugersdorp, ZA: #15 of 42 inventorsTop 40%
Overall (All Time): #3,659,425 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5948375 Biological oxidation of sulphide minerals to recover gold, silver, platinum group metals and base metals — 1999-09-07