Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7101104 | Free ink system | Wolfgang Witz, Bernd Bastiansen | 2006-09-05 |
| 6695517 | Free ink system | Wolfgang Witz, Bernd Bastiansen | 2004-02-24 |
| 6632041 | Free ink system | Wolfgang Witz, Gerold Anderka, Bernd Bastiansen | 2003-10-14 |
| 6322269 | Free ink system | Wolfgang Witz, Gerold Anderka, Bernd Bastiansen | 2001-11-27 |