RP

Richard G. Powell

US USDA: 2 patents #1 of 87Top 2%
📍 Peoria, IL: #4 of 63 inventorsTop 7%
🗺 Illinois: #186 of 2,749 inventorsTop 7%
Overall (1982): #8,752 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4315929 Method of controlling the European corn borer with trewiasine Bernard Freedman, Cecil R. Smith, Jr. 1982-02-16
4313946 Chemotherapeutically active maytansinoids from Trewia nudiflora Cecil R. Smith, Jr. 1982-02-02