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Andrew Drescher

UM University of Minnesota: 1 patents #13 of 85Top 20%
📍 New Brighton, MN: #13 of 38 inventorsTop 35%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #176,861 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5670711 Portable rock strength evaluation device Emmanuel Detournay, David Allan Hultman 1997-09-23