
    No. 940.
    Crane Packing Co. et al. v. Spitfire Tool & Machine Co., Inc.
    
      Warren C. Horton, John R. Nicholson and Charles M. Nisen for petitioners. Clarence E. Threedy for respondent. James P. Hume, Robert C. Brown, Jr. and George E. Frost for the American Patent Law Association.
   The motion of the American Patent Law Association for leave to file brief, as amicus curiae, is granted. Petition for writ of certiorari to the United States Court of Appeals for the Seventh Circuit denied.  