Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869066 | Vaccine containing a campylobacter bacterium having an enhanced antigenic property | Richard Ives Walker, Steven Frey | 1999-02-09 |
| 5858352 | Vaccine containing a Shigella bacterium having an enhanced antigenic property | Richard Ives Walker, Steven Frey | 1999-01-12 |
| 5681736 | Methods for producing enhanced antigenic shigella bacteria and vaccines comprising same | Richard Ives Walker, Steven Frey | 1997-10-28 |
| 5679564 | Methods for producing enhanced antigenic campylobacter bacteria and vaccines | Richard Ives Walker, Steven Frey | 1997-10-21 |