Modern Clothing,Inc. ,and National Denim Corporation use the mark "Made by Members of the U.S.Textile Workers Union" on the tags of their products to indicate the participation of the union in the manufacture.Modern and National are not in business together and do not own this mark.The mark is

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The Answer of Modern Clothing,Inc. ,and National Denim Corporation use the mark "Made by Members of the U.S.Textile Workers Union" on the tags of their products to indicate the participation of the union in the manufacture.Modern and National are not in business together and do not own this mark.The mark is