sentences:  Drais was a German inventor and invented the Laufmaschine ("running machine"), also later called the velocipede, "draisine" (English) or "draisienne" (French), or nicknamed, dandy horse.This incorporated the two-wheeler principle that is basic to the bicycle and motorcycle and meant the beginning of mechanized personal transport.In 1997, German designer Rolf Mertens developed the first commercially produced Laufrad "running bike" called LIKEaBIKE.