WALTER J. SLAUGHTER, PETITIONER, v. NATIONAL LABOR RELATIONS BOARD, RESPONDENT, E.I. DuPONT DeNEMOURS COMPANY, INTERVENOR. No. 85-3256.United States Court of Appeals, Third Circuit.Argued February 10, 1986. Decided June 27, 1986. Page 121 Clyde W. Summers (argued), Joseph Lurie, Morris D. Bernstein, Galfand, Berger, Senesky, Lurie March, Philadelphia, Pa., for petitioner. Helen Morlan, Elaine B. Patrick […]