National Labor Relations Board v. Columbian Enameling & Stamping Company

The Attorney General, and Mr. Robert B. Watts, of Washington, D.C., for petitioner.

Mr. Earl F. Reed, of Pittsburgh, Pa., for respondent Columbian Enameling & Stamping Co., Inc.

Mr. Paul R. Shafer, of Terre Haute, Ind., for respondents Harry Hiatt and others.

Mr. Justice STONE delivered the opinion of the Court.