Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304260 | Telescopic umbrella stick for collapsible umbrellas | Joachim Seidel | 1989-10-31 |
| 4800742 | Rolling mill for making a rolled product, especially rolled strip | Hugo Feldmann, Gerd Beisemann | 1989-01-31 |