Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8973087 | Method and system for authorizing user interfaces | Markus Ritt | 2015-03-03 |
| 7640296 | Mapping of a content request for a cache server | Harald Fuchs, Wolfgang Theilmann, Christian Merz, Michael Altenhofen | 2009-12-29 |
| 7369808 | Instructional architecture for collaborative e-learning | Martin Wessner, Wolfgang Theilmann, Michael Altenhofen, Torsten Leidig | 2008-05-06 |
| 7029280 | E-learning course editor | Andreas Krebs, Michael Altenhofen, Joachim Schaper, Torsten Leidig | 2006-04-18 |
| 7014467 | E-learning course structure | Andreas Krebs, Joachim Schaper, Michael Altenhofen, Torsten Leidig, Norbert Meder | 2006-03-21 |
| 6975833 | Structural elements for a collaborative e-learning system | Wolfgang Theilmann, Michael Altenhofen, Torsten Leidig | 2005-12-13 |
| 6827578 | Navigating e-learning course materials | Andreas Krebs, Michael Altenhofen | 2004-12-07 |