JS

John Franklin Soper

Pioneer (Corteva): 20 patents #216 of 1,535Top 15%
📍 Urbandale, IA: #14 of 202 inventorsTop 7%
🗺 Iowa: #600 of 15,303 inventorsTop 4%
Overall (All Time): #225,529 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
7317143 Soybean variety 91B42 David John Gebhardt, Michael Thomas Roach 2008-01-08
6989475 Soybean variety 92B13 David John Gebhardt, Michael Thomas Roach 2006-01-24
6855874 Soybean variety 91B42 David John Gebhardt, Michael Thomas Roach 2005-02-15
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
6583343 Soybean variety 91B12 David John Gebhardt, Michael Thomas Roach 2003-06-24
6583342 Soybean variety 90B11 David John Gebhardt, Michael Thomas Roach 2003-06-24
6580018 Soybean variety 91B33 David John Gebhardt, Michael Thomas Roach 2003-06-17
6323399 Soybean variety 92B37 Paul A. Stephens 2001-11-27
6320105 Soybean variety 90A07 — 2001-11-20
6028252 Soybean variety 90B43 David John Gebhardt, Michael Thomas Roach, Robert Schneider 2000-02-22
5977445 Soybean variety 91B64 Michael Thomas Roach 1999-11-02
5952550 Soybean variety 91B52 Michael Thomas Roach 1999-09-14
5952549 Soybean variety 90B21 David John Gebhardt, Michael Thomas Roach, Robert Schneider 1999-09-14
5945587 Soybean variety 90B93 Michael Thomas Roach 1999-08-31
5942667 Soybean variety 91B02 Michael Thomas Roach 1999-08-24
5920002 Soybean variety 90B31 Michael Thomas Roach 1999-07-06
5910634 Soybean variety 90B72 Michael Thomas Roach 1999-06-08
5900524 Soybean variety 91B01 David John Gebhardt, Michael Thomas Roach 1999-05-04
5852225 Soybean variety 92B91 David John Gebhardt, Michael Thomas Roach 1998-12-22