Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834908 | Antagonism defeating crop oil concentrates | James Lyle Hazen, Rudolf H. A. Frank, James R. Campbell | 1989-05-30 |
| 4824475 | Enhanced herbicidal triazine compositions and method of use | Lowell D. Markley | 1989-04-25 |