Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846788 | Combatting internal parasites in warm blooded animals | James A. Hawkins | 1989-07-11 |
| 4846789 | Combatting internal parasites in warm blooded animals | James A. Hawkins | 1989-07-11 |