Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5786051 | Ink transfer roller with interchangeable cover | Georg Niggemeier, Franz-Josef Driller | 1998-07-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5786051 | Ink transfer roller with interchangeable cover | Georg Niggemeier, Franz-Josef Driller | 1998-07-28 |