<P> In 1904 , well before commercially viable technology for mobile radio was in place , American inventor and self - described `` Father of Radio '' Lee de Forest did some demonstration around a car radio at the 1904 Louisiana Purchase Exposition in St. Louis . </P>
<P> In 1904 , well before commercially viable technology for mobile radio was in place , American inventor and self - described `` Father of Radio '' Lee de Forest did some demonstration around a car radio at the 1904 Louisiana Purchase Exposition in St. Louis . </P>
when was the first radio put in a car
when was the first radio put in a car
1904
1904