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Frank R. Erfurth

MO Morrison-Knudsen: 1 patents #1 of 8Top 15%
📍 Boise, ID: #3 of 27 inventorsTop 15%
🗺 Idaho: #13 of 116 inventorsTop 15%
Overall (1982): #19,172 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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