Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030970 | Microfilm printer with microvalue pixel generation | Hans-Joachim Vedder | 1991-07-09 |
| 4237943 | Tuner supply for electrostatic copiers | Heinrich Ermel, Franz Fruth | 1980-12-09 |