Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6358053 | Interactive online language instruction | Andrew M. Rosenfield, Edwin Eisendrath, Brian M. Freeman, Enio Ohmaye, Patrick Keating | 2002-03-19 |
| 6301462 | Online collaborative apprenticeship | Brian M. Freeman, Edwin Eisendrath, Andrew M. Rosenfield, Enio Ohmaye, Patrick Keating | 2001-10-09 |