Question: Who owns a company that manufactures frozen dessert machines, like soft serve machines, shake machines, slush machines, and batch freezers that is most known for being the soft serve machine used by a chain of soft serve ice cream and fast-food restaurants owned by International Dairy Queen, Inc?
Sentence (from "Electro Freeze"): Electro Freeze is a company that manufactures frozen dessert machines, like soft serve machines, shake machines, slush machines, batch freezers, etc., and is owned by H C Duke & Son.
Relevant evidence: Yes