Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670513 | Medicinal feed for the systemic treatment of ectoparasitic and ectobacterial diseases of fish | Gunter Ritter | 1997-09-23 |
| 5618847 | Medicinal feed for the systemic treatment of ectoparasitic and ectobacterial diseases of fish | G unter Ritter | 1997-04-08 |