Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955221 | Rolling mill for making a rolled product, especially rolled strip | Hugo Feldmann, Gerd Beisemann | 1990-09-11 |
| 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 |
| 4781051 | Rolling mill stand with axially shiftable rolls | Gerd Beisemann | 1988-11-01 |
| 4687012 | Telescopic stick for a shortenable umbrella | Joachim Seidel | 1987-08-18 |
| 4682617 | Shortenable umbrella having a telescopic stick | Klaus Stiller | 1987-07-28 |
| 4682616 | Umbrella with a mechanism for locking and releasing a slider | — | 1987-07-28 |
| 4576191 | Umbrella frame | Joachim Seidel | 1986-03-18 |
| 4573487 | Umbrella frame with slider release mechanism | Klaus Stiller | 1986-03-04 |
| 4433699 | Sunshade | Joachim Seidel | 1984-02-28 |