On Sept 28, 1943, Roy Fedden, most known by his participation in the Bristol Single Sleeve valve engine research, headed by Harry Ricardo, applied for a British patent 'Improvements related to road vehicles', granted GB570814, 24 July 1945, describing a 2-door, rear-engined car, identical in arrangement and look to VW 'Käfer'.
Espacenet - Original document
On Sept 28, 1943, Roy Fedden, most known by his participation in the Bristol Single Sleeve valve engine research, headed by Harry Ricardo, applied for a British patent 'Improvements related to road vehicles', granted GB570814, 24 July 1945, describing a 2-door, rear-engined car, identical in arrangement and look to VW 'Käfer'. Espacenet - Original document
Volkswagen Beetle