Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818255 | Method for marking a thermoplastic material | Bernd Schultheis | 2004-11-16 |
| 6789471 | Device for printing on paper or plate-shaped materials | Birgit Lattermann, Bernd Schultheis | 2004-09-14 |
| 6745684 | Printing device or printing method | Bernd Schultheis | 2004-06-08 |
| 6673504 | Method for applying a coating to a surface of a material | Horst Stedron, Waldemar Weinberg | 2004-01-06 |