Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4475826 | Matrix printer with magnetic head adjustment | Heinrich Durr, Wendelin Weber, Hermann Richter | 1984-10-09 |
| 4365901 | Matrix printer with automatic printing head adjustment | Heinrich Durr | 1982-12-28 |