Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877737 | Attenuated pseudorabies virus which has a deletion in at least a portion of a repeat sequence and vaccine containing same | Meng-Fu Shih, Richard D. Macdonald | 1989-10-31 |