You searched for: Issue Dates July 1949 Remove constraint Issue Dates: July 1949 Product Keywords butter Remove constraint Product Keywords: butter Collections Foods, 1940-1966 Remove constraint Collections: Foods, 1940-1966 Defendants C. G. Heyd & Co. Remove constraint Defendants: C. G. Heyd & Co. Titles 13424. Adulteration of butter. U. S. v. 9 Cartons (576 pounds). Remove constraint Titles: 13424. Adulteration of butter. U. S. v. 9 Cartons (576 pounds).