JH

John G. Haygreen

UM University of Minnesota: 2 patents #696 of 2,951Top 25%
📍 Roseville, MN: #288 of 611 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,350,799 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4630535 Method and apparatus for de-watering biomass materials in a compression drying process — 1986-12-23
4445387 Compression shear test jig Henry J. Hall 1984-05-01