Ferdinand Porsche reached the rank of "SS-Oberführer". During the war, Porsche was further decorated with the SS-Ehrenring and awarded the War Merit Cross. As the war progressed his proposed solutions to new developments became more complex and Ferdinand Porsche gained a reputation in certain circles as a "mad scientist" especially with Albert Speer (mainly due to his new found affinity for "pointy" designs). A new city, "Stadt des KdF-Wagens" was founded near Fallersleben for the Volkswagen factory, but wartime production concentrated almost exclusively on the military Kübelwagen and Schwimmwagen variants. Mass production of the car, which later became known as the Beetle,
Volkswagen Beetle British patent 'Improvements related to road vehicles', granted GB570814, July 24, 1945, describing a 2-door, rear-engined car, identical in arrangement and look to VW 'Kafer'. It has also been pointed out that the VW Beetle bears a striking resemblance to John Tjaarda's 1933 design for a streamlined, rear-engined car, that he created working for Briggs Manufacturing Company. At Briggs, a Detroit-based manufacturer of automobile bodies for Ford Motor Company, Chrysler Corporation and other U.S. and European automobile manufacturers, Tjaarda was developing a radical car for Ford to use as a new Lincoln. Ford displayed the show car at the 1933-34