For ten years after World War II, the company was not allowed to produce aircraft. One alternative the company came up with was the three-wheeled motorcycle/bubble car or Kabinenroller (cabinscooter) KR175 / KR200, designed by an aircraft engineer, Fritz Fend. The cars were actually made by Fend's own company in the Messerschmitt works at Regensburg, and Willy Messerschmitt had very little to do with the vehicles other than ruling that they carried his name. Production of the KR200 ceased in 1964.