Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224381 | Educating special needs children about money | Judith L. Culberson, Dean A. Caldwell | 2001-05-01 |
| 6142786 | Educating special needs children about shapes and hardware | Judith L. Culberson, Dean A. Caldwell | 2000-11-07 |
| 6129550 | Educating special needs children about place settings | Judith L. Culberson, Dean A. Caldwell | 2000-10-10 |