Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052259 | Ink cartridge | Roland Steiner, Andre Huber | 2011-11-08 |
| D589552 | Accessory for ink-jet printer cartridge | Roland Steiner | 2009-03-31 |
| D589553 | Accessory for ink-jet printer cartridge | Roland Steiner | 2009-03-31 |
| D588193 | Accessory for ink-jet printer cartridges | Roland Steiner | 2009-03-10 |
| D586848 | Accessory for ink-jet printer cartridges | Roland Steiner | 2009-02-17 |
| D581977 | Accessory for ink-jet printer cartridges | Roland Steiner | 2008-12-02 |