Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11883247 | Multi-part marker | Alexander Druse, Tilo Callenbach, Christian Classen | 2024-01-30 |
| 9517108 | Medical marker, method and apparatus for producing a medical marker | Alexander Druse, Tilo Callenbach, Christian Classen | 2016-12-13 |