
    No. 663.
    Permutit Co. v. Graver Corporation.
    March 2, 1931.
    
      Messrs. Drury W. Cooper, Graham Sumner, Allan C. Bakewell, and George A. Chritton for petitioner.
    
      Messrs. George L. Wilkinson and Charles L. Byron for respondent.
   Petition for writ of certiorari to the Circuit Court of Appeals for the Seventh Circuit granted.  