You searched for: Issue Dates February 1950 Remove constraint Issue Dates: February 1950 Product Keywords butter Remove constraint Product Keywords: butter Defendants Armour & Co. Remove constraint Defendants: Armour & Co. Titles 14830. Adulteration of butter. U. S. v. 6 1/2 Cases. Remove constraint Titles: 14830. Adulteration of butter. U. S. v. 6 1/2 Cases.