Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219233 | Process for controlling the operation of a print head | Dietmar Kottwitz, Michael Blume, Joachim Schwarzkopf | 1993-06-15 |
| 5033887 | Process for the production of information relative to the type of a printing head | — | 1991-07-23 |