Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676414 | Method and computer program for playing an educational card game that teaches mathematical facts | Jennifer L. MacHendrie | 2004-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676414 | Method and computer program for playing an educational card game that teaches mathematical facts | Jennifer L. MacHendrie | 2004-01-13 |