Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5884583 | Field bag boost vaccination delivery system | Joseph H. Johnston, Jr. | 1999-03-23 |
| 5312353 | Modular poultry automatic vaccine injection and spray apparatus | Joseph H. Johnson, Richard McGhee Kight, John D. Mason, Roger D. Luke | 1994-05-17 |