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Mark E. Barker

JD John Deere: 1 patents #128 of 501Top 30%
📍 Johnston, IA: #18 of 53 inventorsTop 35%
🗺 Iowa: #434 of 1,466 inventorsTop 30%
Overall (2016): #311,252 of 481,213Top 65%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9258989 Boom assembly joints Roger E. Daniels, Richard A. Humpal 2016-02-16