Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454668 | Apparatus for smoothing and drying damp laundry | Ludwig Herrmann, Siegfried Minde | 1984-06-19 |
| 4434566 | Laundry mangle with roll covering reel | Ludwig Herrmann, Konrad Berger | 1984-03-06 |