Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7519386 | Mobile communication device having music player navigation function and method of operation thereof | Klaus Kespohl, Karsten Lehn, Stefanie Vollinger, Konrad Brisse, Peter Buth | 2009-04-14 |
| 6898522 | System and method for providing and displaying navigation information | Peter Buth, Simona Grothues, Klaus Kespohl | 2005-05-24 |