Nos. 19386, 19429. Argued December 7, 1965. Decided May 6, 1966. Mr. David Leo Uelmen, Milwaukee, Wis., with whom Mr. David Previant, Milwaukee, Wis., was on the brief, for petitioner in No. 19386. Mr. Herbert Thatcher, Washington, D.C., also entered an appearance for petitioner in No. 19386. Mr. Gary Green, Atty., N.L.R.B., with who Messrs. Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, and Marcel Mallet-Prevost, Asst. Gen. Counsel, N.L.R.B., were on the brief, for respondent