
    No. 41.
    Krupp Nirosta Co. et al. v. Coe, Commissioner of Patents.
    October 10, 1938.
    
      Mr. Fritz v. Briesen for petitioners.
    
      Solicitor General Jackson, Assistant Attorney General Whitaker, and Messrs. R. F. Whitehead and Paul P. Stoutenburgh for respondent.
   Petition for writ of certiorari to the Court of Appeals for the District of Columbia denied.  