Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799952 | Herbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilides | Norman R. Pearson, William A. Kleschick | 1989-01-24 |
| 4731446 | Imidazo[1,2-a]pyrimidine sulfonic acids and acid halides | Norman R. Pearson, William A. Kleschick | 1988-03-15 |