Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588999 | Device for the fixing and contacting of piezotubes | Ingolf Depta | 1986-05-13 |
| 4584591 | Fastening and connecting arrangement for piezoelectric driving elements in the write heads of ink writing devices | — | 1986-04-22 |
| 4277791 | Ink controlling device for ink printing equipment in office machines and the like | Guenter Rosenstock | 1981-07-07 |
| 4253103 | Ink supply container for ink writing systems | Joachim Heinzl | 1981-02-24 |