Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800195 | Substituted azo N-phenyl-N'benzoylureas and their use as insecticides and acaricides | Michael J. Burgess, Robert A. Sewell | 1989-01-24 |
| 4795746 | Substituted N-phenyl-N'benzoyl ureas and their use as insecticides and acaricides | Michael J. Burgess, Robert A. Sewell | 1989-01-03 |