U.S. v. 20 CASES, ETC

William Poole, Wilmington, Del. (Berl, Potter Anderson, Wilmington, Del., Parker H. Jones, Washington, D.C., on the brief), for appellant. Leonard D. Hardy, Sp. Asst. to U.S. Atty., Washington, D.C. (Warren Olney, III, Asst. Atty. Gen., Leonard G. Hagner, U.S. Atty., Wilmington, Del., Alvin L. Gottlieb, Attorney Department of Health, Education and Welfare, Washington, D.C., H. Newton White, Asst. U.S. Atty., Wilmington, Del., on the brief), for appellee. Stephen E. Hamilton, Jr., Wilmington, Del. (H. Thomas Austern, Hamilton Carothers, Washington, D.C., of counsel), for National Macaroni Manufacturers Ass'n, amicus curiae.