HARBISON-WALKER REFRACTORIES COMPANY, Appellant, v. UNITED STATES of America. Nos. 14826, 14827.United States Court of Appeals, Third Circuit.Argued September 25, 1964. Decided December 29, 1964. Rehearing Denied January 22, 1965. William J. Kenney, Kenney, Stevens, Hill Clark, Pittsburgh, Pa., (William R. Hawkins, Pittsburgh, Pa., on the brief), for appellant. Michael A. Mulroney, Dept. of Justice, […]