Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064856 | Master workstation which communicates with a plurality of slave workstations in an educational system | John R. Lee | 2000-05-16 |
| 5788508 | Interactive computer aided natural learning method and apparatus | John R. Lee | 1998-08-04 |
| 5441415 | Interactive computer aided natural learning method and apparatus | John R. Lee | 1995-08-15 |
| 5267865 | Interactive computer aided natural learning method and apparatus | John R. Lee | 1993-12-07 |