Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699045 | Infant simulation device and method therefore | Daniel Christianson, Judith M. Johnson | 2004-03-02 |
| 6050826 | Infant simulation device and method therefore | Daniel Christianson, Judith M. Johnson | 2000-04-18 |