Complex sentence: The company's founder and chief designer was mechanical engineer Helmut Schlosser, an Austrian who had emigrated to the United States and who in the late 1950s was managing a machine shop in North Bergen, New Jersey.
Split into simpler sentences: The company's founder and chief designer was mechanical engineer Helmut Schlosser, an Austrian who had emigrated to the United States. In the late 1950s he was managing a machine shop in North Bergen, New Jersey.