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Douglas M. Kerr

AI Acco Industries: 1 patents #4 of 25Top 20%
📍 Fairfield, IA: #63 of 108 inventorsTop 60%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,093,807 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4280413 Conveyor system Thomas L. Crandall, Daniel J. Scalf 1981-07-28