and the motorcycle design Cyril Pullin's patents. This site about old Douglas motorcycle parts digs into old engine and motor patents, specifically following various stages of Cyril Pullin's work and inventions Image of Pullin riding motorcycle in 1923 TT database rider profile TT database TT results 1890s births 1973 deaths British motorcycle pioneers People from Wandsworth British automobile designers English motorcycle racers Isle of Man TT riders Aircraft designers English aerospace engineers