Miller Engineering York Animated Neon Billboard - HO/O Scale The instantly recognizable York Peppermint Pattie was first produced in York, Pennsylvania, by Henry Kessler at his York Cone Company in 1940, for sale in the Northeastern United States, Ohio, Indiana, Illinois, and Florida. In 1972, the York Cone Company was acquired by Peter Paul, which launched the York Peppermint Pattie nationally in 1975. In 2009, production of the York Peppermint Pattie moved from Reading, Pennsylvania to Mexico.