Metal parts and components including those suitable for louvers and facades; Parts and components of metal including linkages and arms for supporting operable louvers; Structural supporting arms for operable glass louvers and facades; Architectural louvres of metal; Louvres made of metal

Architechtural louvres of non-metallic materials; Non-metallic louvres and facades including those formed from glass buildings; Non-metallic louvres and facade assemblies for buildings; Operable glass louvers and facades for buildings; Glass louvres for buildings