DH

David L. Hill

NG Newmont Gold: 1 patents #1 of 5Top 20%
NM Newmont Mining: 1 patents #1 of 5Top 20%
📍 Prospect, KY: #1 of 10 inventorsTop 10%
🗺 Kentucky: #30 of 513 inventorsTop 6%
Overall (1994): #36,087 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5341536 Scrubbing device 1994-08-30
5332559 Biooxidation process for recovery of metal values from sulphur-containing ore materials James A. Brierley 1994-07-26