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Mark E. Barker

JD John Deere: 1 patents #243 of 694Top 40%
📍 Johnston, IA: #17 of 55 inventorsTop 35%
🗺 Iowa: #557 of 1,791 inventorsTop 35%
Overall (2020): #369,580 of 565,922Top 70%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10820585 Sprayer systems with retractable drop apparatuses Richard A. Humpal 2020-11-03