Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706726 | Apparatus and process to reclaim toner from a toner/carrier mixture | Johan M. Van der Werf, Robert Hans Buytendijk, Johannes S. T. M. Gubbels, Theo Versteegen | 2010-04-27 |
| 6979372 | Method for cleaning particle classifier | Robert H. Buijtendijk | 2005-12-27 |