DJ

David L. Johnson

Pioneer (Corteva): 1 patents #159 of 292Top 55%
📍 Johnston, IA: #15 of 63 inventorsTop 25%
🗺 Iowa: #224 of 1,620 inventorsTop 15%
Overall (2018): #156,126 of 503,207Top 35%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10145570 Air conditioner condenser coil covering and filtering device 2018-12-04
10058034 Combine harvester and associated method for gathering grain Matthew John Rizzo, James R. Schmidt, Barry Stott, Zane Wesley Unrau 2018-08-28