Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821537 | Washing machine or washing drying machine with devices to avoid losses of washing agent | Peter Zinkann, Wilfried Huttemann, Hans Fey, Friedrich W. Stork, Rudolf Herden | 1989-04-18 |