Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820379 | Computerized method of displaying a self-reading child's book | Alfred E. Hall | 1998-10-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820379 | Computerized method of displaying a self-reading child's book | Alfred E. Hall | 1998-10-13 |