
    No. 673.
    Minnesota Mining & Manufacturing Co. v. Sears, Roebuck & Co. et al.
    
      Lawrence C. Kingsland, Estill E. Ezell, Harold J. Kinney, M. K. Hobbs and Welch Jordan for petitioner. Thornton H. Brooks and Hector M. Holmes for respondents.
   C. A. 4th Cir. Certiorari denied.  