Nos. 89-2362, 89-2538. Argued January 24, 1990. Decided October 18, 1990. Carol L. VanHal, Paul F. Gleeson, John E. Old, Christopher A. Johlie, Vedder, Price, Kaufman Kammholz, Chicago, Ill., Earl J. Jones, Jr., General Elec. Co., Louisville, Ky., for General Elec. Credit Corp. Aileen A. Armstrong, Scott MacDonald, Appellate Court — Enforcement Litigation, Fred L. Cornnell, Jr., Charles P. Donnelly, Jr., N.L.R.B., Washington, D.C., Irving M. King, Cotton, Watt, Jones King, Donald J. Crawford, Harvey