
    No. 896.
    Bersworth et al. v. Watson, Commissioner of Patents.
    
      Ellsworth H. Mosher for petitioners.
    
      Solicitor General
    
    
      Rankin, Assistant Attorney General Doub, Samuel D. Slade, B. Jenkins Middleton and J. Schimmel for respondent.
   United States Court of Appeals for the District of Columbia Circuit. Certiorari denied.  