RH

Ralph Peter Hackl

PS Placer Dome Technical Services: 1 patents #1 of 4Top 25%
📍 Burnaby, CA: #13 of 60 inventorsTop 25%
Overall (2003): #138,299 of 273,478Top 55%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6660059 Method for thiosulfate leaching of precious metal-containing materials Jinxing Ji, Christopher Andrew Fleming, Paul George West-Sells 2003-12-09