Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7041299 | Escape mutants of newcastle disease virus as marker vaccines | Harmen Jacob Geerligs, Dennis J. Alexander, Michael S. Collins | 2006-05-09 |
| 6833133 | Escape mutants of Newcastle disease virus as marker vaccines | Harmen Jacob Geerligs, Dennis J. Alexander, Michael S. Collins | 2004-12-21 |