Nos. 86-5472, 86-5576. Argued March 19, 1987. Decided May 4, 1987. Spencer M. Youell, argued, James S. Mowery, Jr., Worthington, Ohio, for Hilton Inn North. Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., James M. Darby, W. Christian Schumann, Corinna Metcalf, argued, Emil C. Farkas, Director, N.L.R.B., Region 9, Cincinnati, Ohio, for N.L.R.B. Appeal from the National Labor Relations Board. Before JONES, KRUPANSKY and BOGGS, Circuit Judges. PER CURIAM. The petitioner Hilton