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
In 1899 Chavanet, Gros, Pichard et Cie was founded, and that year a machine was displayed bearing the clover-leaf marque at the Paris Salon which closely resembled the De Dion-Bouton. There appears to have been a dispute with De Dion, who was a mite miffed.
It has been suggested that these engines were supplied to Butler and possibly Phébus.
During this period the firm advertised tricycles, quadricycles and voiturettes. In 1901 Chavanet and Gros left the company, which then folded.
An excellent acount of the episode with very profession imagery at lexplorateuramoto.com
Sources: Automoto A9, et al