Inventor: Brandsma, Christine
Inventor: Kellerhals, Markus
Inventor: Kellerhals, Markus
Inventor: Kellerhals, Markus, Aeppli, Alfred
Inventor: Hauenstein, Peter
Inventor: Wicki, Eidg. Dipl. Gartnermeister
Inventor: Wicki-Freidl, Peter
Inventor: Krapf, Bernhard
Inventor: Hauenstein, Walter