Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975833 | Structural elements for a collaborative e-learning system | Michael Altenhofen, Wolfgang Gerteis, Torsten Leidig | 2005-12-13 |
| 6884074 | Dynamic composition of restricted e-learning courses | — | 2005-04-26 |