Jaan 780 Armchair. is made by Brand Walter Knoll. Details and photos of Jaan 780 Armchair. are displayed above. You can also check other products in Furnishings category. Brand Walter Knoll / Furnishings Furnishings products by Brand Walter Knoll Leadchair Executive Foster 503 Armchair. Media-X-Stele Mobil. Foster 501 Sofa. Turtle Barstool. Modern Icons: Fabricius Armchair.