Messerschmitt KR200
The Messerschmitt KR200, or Kabinenroller (Cabin Scooter), was a three-wheeled bubble car
Bubble car
Bubble car is a subjective term used for some small, economical automobiles, usually produced in the 1950s and 1960s.- Varieties :The Messerschmitt KR175 and KR200, and the FMR Tg500, had aircraft-style bubble canopies, giving rise to the term bubble car to refer to all these post-war microcars...

 designed by the aircraft engineer Fritz Fend
Fritz Fend
Fritz Fend : was an aeronautical engineer. He worked for Messerschmitt and designed the famous Kabinenroller KR175 / KR200.Fend was a technical officer with the Luftwaffe during World War II....

 and produced in the factory of the German aircraft manufacturer Messerschmitt
Messerschmitt AG was a famous German aircraft manufacturing corporation named for its chief designer, Willy Messerschmitt, and known primarily for its World War II fighter aircraft, notably the Bf 109 and Me 262...

 from 1955 to 1964.
Messerschmitt, temporarily not allowed to manufacture aircraft, had turned its resources to producing other commodities. In 1952, Fend approached Messerschmitt with the idea of manufacturing small motor vehicles.