Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874616 | Method for producing mucoid and phage resistant group N streptococcus strains from non-mucoid and phage sensitive parent strains | — | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874616 | Method for producing mucoid and phage resistant group N streptococcus strains from non-mucoid and phage sensitive parent strains | — | 1989-10-17 |