Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851019 | Electric vacuum cleaner | Heinz-Jurgen Ahlf, Jurgen Jager, Peter Wulf, Manfred Eckart | 1989-07-25 |
| 4846426 | Hang-up and protective arrangement for an electrical appliance | Peter Hannemann, Uwe Kemker, Hans J. Birr | 1989-07-11 |