National Labor Relations Board v. Allis-Chalmers Manufacturing Company

Thurgood Marshall, Sol. Gen., and John Silard,

Washington, D.C., for petitioner.

Howard C. Equitz, Milwaukee, Wis., for respondent.

Martin C. Seham, New York City, for New York Times Display Advertising Salesmen Steering Committee, as amicus curiae.

Mr. Justice BRENNAN delivered the opinion of the Court.