PS

Paul A. Stephens

Pioneer (Corteva): 132 patents #23 of 1,535Top 2%
RT Research Corporation Technologies: 2 patents #82 of 410Top 20%
PI Pioneer Hi-Bred Int'L: 1 patents #24 of 47Top 55%
📍 Urbandale, IA: #2 of 202 inventorsTop 1%
🗺 Iowa: #15 of 15,303 inventorsTop 1%
Overall (All Time): #7,783 of 4,157,543Top 1%
135
Patents All Time

Issued Patents All Time

Showing 126–135 of 135 patents

Patent #TitleCo-InventorsDate
6730829 Soybean variety 92B84 Leon G. Streit 2004-05-04
6608243 Soybean variety 92B95 Leon G. Streit 2003-08-19
6605761 Soybean variety 92B38 Leon G. Streit 2003-08-12
6362400 Soybean variety 92B75 Robert Eugene Freestone 2002-03-26
6346657 Soybean variety 92B62 Debra Kay Steiger 2002-02-12
6342659 Soybean variety 93B26 Leon G. Streit 2002-01-29
6339186 Soybean variety 92B56 2002-01-15
6323399 Soybean variety 92B37 John Franklin Soper 2001-11-27
5602313 Pink-flowered, high protein soybean plants and methods for their production Cecil D. Nickell 1997-02-11
5457274 Pink-flowered, high protein soybean plants and methods for their production Cecil D. Nickell 1995-10-10