 The first external sign of the change was the introduction of the new brand mark in 1903, the current GF logo with the two crosses (+ GF +), the symbolize cross-fittings.The company acquired the estate of the former monastery "Paradies" in Schlatt in 1918.In 1919, GF took part in the founding of iron mine Gonzen AG; the mine was shut down again in 1966 and has since been preserved as an industrial monument.