 After leaving Douglas the first time, Pullin worked with Groom again to refine his ideas and develop and patent the Ascot-Pullin motorcycle.Fewer than 500 were built and sales were poor, resulting in the company's liquidation in 1930.Pullin was an innovator and the Ascot-Pullin 500 OHV single had the engine horizontally mounted and enclosed with a pressed-steel frame.