NP

Norman R. Pearson

The Dow Chemical: 2 patents #56 of 619Top 10%
📍 Carmel, IN: #7 of 34 inventorsTop 25%
🗺 Indiana: #103 of 1,469 inventorsTop 8%
Overall (1989): #19,136 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4886883 Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonyl chlorides William A. Kleschick, Robert J. Ehr, Mark J. Costales, Ben C. Gerwick, III, Richard W. Meikle, deceased +1 more 1989-12-12
4799952 Herbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilides Shannon L. Bartley, William A. Kleschick 1989-01-24