Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685220 | Apparatus for printing on flat individual articles | Volker Steffen, Horst Heidenreich | 1997-11-11 |
| 5651308 | Apparatus for printing on individual articles | Joachim Hellmeier | 1997-07-29 |