Complex sentence: In 1922, Louis Desloge Sr. of the Desloge family founded Watlow in a rented corner space on the second floor of a machine shop in St. Louis, Missouri, and began manufacturing electric heating elements for the shoe industry.
Split into simpler sentences: In 1922, Louis Desloge Sr. of the Desloge family founded Watlow in a rented corner space on the second floor of a machine shop. Located in St. Louis, Missouri, Watlow began manufacturing electric heating elements for the shoe industry.