Nos. 93-4039, 94-1173, and 94-1198. Argued October 4, 1994. Decided January 4, 1995. James R. Scott, Alan M. Levy (argued), Lindner Marsack, Milwaukee, WI, for petitioner. John C. Truesdale, Robert J. Englehart, Contempt Litigation Branch, Aileen A. Armstrong, Linda J. Dreeben, Deborah E. Shrager (argued), Appellate Court, Enforcement Litigation, Washington, DC, Joseph A. Szabo, Director, N.L.R.B., Milwaukee, WI, for N.L.R.B. Mary E. Leary (argued), Pittsburgh, PA, Terry Davis, Elizabeth Levie, United