Complex sentence: Schott Bros later manufactured a very similar jacket for the Beck label called the Beck 333 Northeaster and in the late 1940s, Schott Bros introduced a new jacket based on the original Perfecto design called the 613.
Split into simpler sentences: Schott Bros later manufactured a very similar jacket for the Beck label called the Beck 333 Northeaster. In the late 1940s, Schott Bros introduced a new jacket based on the original Perfecto design called the 613.