Complex sentence: The market for these grew enormously and Weymann licenced his system to many of Europe's most prestigious marques but a change of fashion in the late 1920's led to a demand for gloss painted bodies and the fabric market disappeared.
Split into simpler sentences: The market for these grew enormously and Weymann licenced his system to many of Europe's most prestigious marques. A change of fashion in the late 1920's led to a demand for gloss painted bodies and the fabric market disappeared.