
    No. 618.
    General Motors Corp. et al. v. Devex Corporation et al.
    
      George N. Hibben, Arthur W. Dickey, Jerome F. Fallon, Carlton Hill and Benjamin H. Sherman for petitioners. Walter J. Blenko and William C. McCoy, Jr. for respondents.
   C. A. 7th Cir. Certiorari denied.  