BH

Barry J. Hansen

TM The Hanna Mining: 1 patents #7 of 10Top 70%
📍 Hibbing, MN: #33 of 73 inventorsTop 50%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,125,451 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4238466 Absorption of sulfur dioxide from gases by ferrous sulfate Adolfo R. Zambrano 1980-12-09