Ultimotor

Ultimotor was a short-lived American venture based in Franklin, Indiana, established around 1915. It represented Frank N. Martindale's second attempt at automotive success, following the earlier failure of the Continental, a car he had produced in partnership with Frank Millikan in Franklin. Unlike the Continental, the Ultimotor was not a complete vehicle but an attachment designed to be fitted to any horse-drawn wagon, converting it into a motorized vehicle. Martindale…