Biography
Joseph J. Ratti was an Industrial Workers of the World member arrested in the November 13, 1917 raid on the IWW hall in Omaha, Nebraska. He was released on personal bond, drafted into military service, and later indicted on September 21, 1918.
The March 1920 One Big Union Monthly prisoner roster provides a contemporaneous procedural account. The roster lists an Omaha federal conspiracy indictment dated September 21, 1918, and bail of $10,000. Source: https://www.marxists.org/history/usa/pubs/one-big-union-monthly/v02n03-mar-1920_One%20Big%20Union.pdf#page=17
Latchem identifies J. J. Ratti as released on personal bond and drafted, with indictment September 21, 1918. No exact discharge date or custodial sentence follows from the indictment.
The One Big Union Monthly, May 1920, vol. 2 no. 5, PDF page 55.