Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760804 | Ink-jet printing head for a liquid-jet printing device operating on the heat converter principle and process for making it | Joachim Heinzl, Bernhard Hochwind, Helmut Schlaak, Arno Steckenborn | 1998-06-02 |
| 4200502 | Method for producing an electrical thin layer circuit | Wolf-Dieter Munz, Siegfried Bock | 1980-04-29 |