Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34013 | Infectious bronchitis vaccine for poultry | Manfred M. Krasselt | 1992-07-28 |
| 4761282 | Inactivated infectious bronchitis vaccine for poultry | Manfred M. Krasselt | 1988-08-02 |
| 4692410 | Infections bronchitis virus strains | Manfred M. Krasselt | 1987-09-08 |
| RE32423 | Infectious bronchitis virus strain | Manfred M. Krasselt | 1987-05-19 |
| 4645665 | Live infectious bronchitis vaccine for poultry | Manfred M. Krasselt | 1987-02-24 |
| RE32283 | Vaccines | Manfred M. Krasselt | 1986-11-11 |
| 4537768 | Combined vaccine | Johannes A. G. Kok | 1985-08-27 |
| 4515777 | Vaccines | Manfred M. Krasselt | 1985-05-07 |
| 4505892 | Infectious bronchitis vaccine for poultry | Manfred M. Krasselt | 1985-03-19 |
| 4500638 | Infectious bronchitis virus strain | Manfred M. Krasselt | 1985-02-19 |
| RE31830 | Infectious bronchitis vaccine for poultry | Manfred M. Krasselt | 1985-02-12 |
| 4481188 | Vaccines | Manfred M. Krasselt | 1984-11-06 |
| 4357320 | Infectious bronchitis vaccine for poultry | Manfred M. Krasselt | 1982-11-02 |