Around 1916 he designed and constructed a light passenger car (chassis and body) with a motorcycle engine; according to his descendants, the efforts had started in 1908, and since 1916 a small number (less than 10) were built.
Around 1916, he designed and constructed a light passenger car with a motorcycle engine; his descendants claim that the project began in 1908, and only a small number (less than ten) were built between 1916 and 1917.