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John Franklin Soper

Pioneer (Corteva): 5 patents #5 of 99Top 6%
📍 Urbandale, IA: #2 of 20 inventorsTop 10%
🗺 Iowa: #17 of 1,101 inventorsTop 2%
Overall (2003): #9,465 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6605755 Soybean variety 92B12 David John Gebhardt, Michael Thomas Roach 2003-08-12
6586659 Soybean variety 91B92 David John Gebhardt, Michael Thomas Roach 2003-07-01
6583342 Soybean variety 90B11 David John Gebhardt, Michael Thomas Roach 2003-06-24
6583343 Soybean variety 91B12 David John Gebhardt, Michael Thomas Roach 2003-06-24
6580018 Soybean variety 91B33 David John Gebhardt, Michael Thomas Roach 2003-06-17