There is an Umberto Sartor (b ~1888) on the manifest for the ship Europa which arrived at Ellis Island in 1907. He's listed as from Cavaso, headed for Hanford, CA. I recognized the name because he is listed just above my Mora relatives, also from Cavaso.
You can see it by going here: http://www.ellisisland.org
click "passenger search"
type in "hinberto sartor" (they misread his first name)