At the age of 12 Bruno Rossati began working eleven hour days.
"Now, approaching 91, I find myself reminiscing about my youth, still riding my motorcycle every day.
Letter re Ladetto
A Brief History of the Italian Marque
The Ladetto brothers traded under the Ladetto marque from 1923 to 1927 at Via Giacosa N° 19, Torino. They sold components to Alato among others, and possibly built their own motorcycles.
Joined by Blatto, the firm's name became Ladetto & Blatto, reverting to the original name when he left in 1930. The company ceased production in 1932.
Sources: Tragatsch p72, amicidellemotobicisottocanna.blogspot.com