Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329266 | Recording materials for ink-jet printing | Volker Schaedler, Roland Ettl, Wolfgang Schmidt, Frank Konietzni | 2012-12-11 |
| 8017189 | Recording materials for ink-jet printing | Volker Schaedler, Roland Ettl, Wolfgang Schmidt, Frank Konietzni | 2011-09-13 |