Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836699 | Operator panel for printers | Lorenz Fromme | 1989-06-06 |
| 4827124 | Electro optical transducer utilizing aligned light conductors | Dieter Beth, Werner Panzer, Johann Stempfle | 1989-05-02 |
| 4818127 | Inclined writing by means of matrix printer | Manfred Gruener, Jutta Stein | 1989-04-04 |