Jaan 780 Sofa. is made by Brand Walter Knoll. Details and photos of Jaan 780 Sofa. are displayed above. You can also check other products in Furnishings category. Brand Walter Knoll / Furnishings Furnishings products by Brand Walter Knoll FK Chair. Jaan 780 Armchair. Exec-V Sideboard. Foster 502 Sofa. Leadchair Executive Leadchair Management.