In National Labor Relations Board v. Hudson Motor Car Co., 6 Cir., 128 F.2d 528, 533, it was stated: "We think it right and just to say that so far as the record shows, respondent has not wilfully violated the provisions of the Act, but the intent of the employer is not within the ambit of our power of review.
In N.L.R.B. v. Fred P. Weissman Co., 170 F.2d 952 (6th Cir. 1948) and N.L.R.B. v. Tempest Shirt Mfg. Co., 285 F.2d 1 (5th Cir. 1960), the ownership of the successor was substantially the same as that of the predecessor.