Nos. 12912, 12995. Argued February 1, 1960. Decided June 20, 1960. As Amended on Denial of Rehearing in No. 12912, August 26, 1960. Francis E. Marshall, Philadelphia, Pa. (James J. Davis, Davis, Marshall Crumlish, Philadelphia, Pa., on the brief), for petitioner Piasecki Aircraft Corp. Lowell Goerlich, Washington, D.C. (Ernest S. Wilson, Jr., Wilmington, Del., on the brief), for petitioners UAW-AFL-CIO and its Local 840. Allison W. Brown Jr., Washington, D.C. (Stuart Rothman, Gen. Counsel, Thomas
Nos. 16346, 16388, 16564. Argued January 8, 1962. Decided February 8, 1962. Mr. Arthur M. Goldberg, New York City, of the bar of the Court of Appeals of New York, pro hac vice, by special leave of court, with whom Mr. David E. Feller, Washington, D.C., was on the brief, for petitioners in No. 16346 and intervenor in No. 16388. Mr. Jerry D. Anker, Washington, D.C., also entered an appearance for intervenor in No. 16388, and petitioner in No. 16346. Mr. Paul J. Spielberg, for National Labor Relations