You searched for: Issue Dates April 1950 Remove constraint Issue Dates: April 1950 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 15114. Adulteration of butter. U. S. v. 19 Boxes (1,216 pounds). Remove constraint Titles: 15114. Adulteration of butter. U. S. v. 19 Boxes (1,216 pounds).