Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877440 | Thiophenesulfonamide herbicides | Joel R. Christensen, John Cuomo | 1989-10-31 |
| 4861366 | Herbicidal acetals and ketals | — | 1989-08-29 |
| 4830662 | Agricultural sulfonamides | — | 1989-05-16 |
| 4818278 | Agricultural sulfonamides | — | 1989-04-04 |