Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792458 | Mutant diphtheria toxin conjugates | Virginia G. Johnson, Richard J. Youle, Walter J. Laird | 1998-08-11 |
| 5208021 | Method of preparing diphtheria immunotoxins | Virginia G. Johnson, Richard J. Youle, Walter J. Laird | 1993-05-04 |