DJ

David L. Johnson

Pioneer (Corteva): 1 patents #136 of 243Top 60%
📍 Johnston, IA: #17 of 40 inventorsTop 45%
🗺 Iowa: #515 of 1,684 inventorsTop 35%
Overall (2019): #496,215 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10194592 Separably-driven rotor portions and associated method for threshing grain 2019-02-05