Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820551 | Method for fabricating thermo-inking ribbons for thermo-transfer printing, and thermo-inking ribbon obtained thereby | Heinrich Krauter, Albert Schmedes, Norbert Mecke | 1989-04-11 |
| 4675063 | Process for manufacturing thermocolor ribbon | Norbert Mecke, Heinrich Krauter | 1987-06-23 |
| 4592945 | Thermocolor ribbon | Norbert Mecke, Heinrich Krauter | 1986-06-03 |