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Frank R. Erfurth

MO Morrison-Knudsen: 1 patents #16 of 35Top 50%
📍 Boise, ID: #2,400 of 3,546 inventorsTop 70%
🗺 Idaho: #5,199 of 8,810 inventorsTop 60%
Overall (All Time): #4,068,349 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4325308 Controlled-discharge door for particulate materials and liquids — 1982-04-20