Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7469255 | Entry points for navigation of hierarchical information structures | Stefan Kusterer, Eckart Liemke, Juergen Heymann, Bernhard Drittler | 2008-12-23 |
| 7308676 | Generic layer for virtual object resolution | Stefan Kusterer, Eckart Liemke, Juergen Heymann, Meinolf Block, Bernhard Drittler | 2007-12-11 |