HB

Howard A. Barrie

📍 Toronto, CA: #5,171 of 9,482 inventorsTop 55%
Overall (All Time): #3,406,286 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6991405 Application of inert gas mixtures to prevent and/or to control sulfide mineral oxidation and the generation of acid rock drainage David A. Orava 2006-01-31