Pio Chiaruttini  Pio Chiaruttini (June 21, 1901 in Bozzolo – June 6, 1985 in Botticino), was an Italian businessman and inventor. In 1921 started to work in Calzificio Ferrari in Botticino.It proves to be a great expert in mechanical textile, and he is appointed foreman at the factory of Roberto Ferrari.In 1942, he decided to open his first business venture, producing silk stockings and women buying the raw material from the factory founded by Don Arcangelo Tadini in Botticino. In 1953 Pio settles patent office several industrial inventions, including the following: ""Dispositivo per l'esecuzione di rigature o punteggiature in rilievo su calze in genere da montare su macchine circolari a doppia alimentazione di filato"".Basically, the patent will henceforth produce industrially the famous stocking with the line (seam), before realized only going over the stocking with an overlock machine.