Pittsburgh Plate Glass Co. v. National Labor Relations Board

The petitioners in the two cases covered by these cer-tioraris 1 are the Pittsburgh Plate Glass Company, an employer, and the Crystal City Glass Workers Union, an “independent” or “local” union, that is a union unaffiliated with, any other employee organization. Charged with an unfair labor practice in refusing to bargain collectively with duly accredited representatives of its employees, the Company countered the complaint with the assertion that it had and did bargain collectively with the proper representatives of its employees but that it denied the validity of a Board decision including…