The Oz Film Manufacturing Company, located in Los Angeles, was formed in 1914 to produce movies based on stories by L Frank Baum, the creator of The Wizard of Oz. The company made some movies, but was not a financial success. This logo is a detail from a double page ad in the 29-September-1914 edition of Moving Picture World. The full ad is below. It refers to their first two movies, The Patchwork Girl of Oz and The Magic Cloak of Oz.