
    No. 292.
    Union Metal Manufacturing Co. et al. v. Ooms, Commissioner of Patents.
    October 14, 1946.
    
      Edward R. Walton, Jr. and Joseph Frease for petitioners. Solicitor General McGrath, Assistant Attorney General Son-nett and W. W. Cochran for respondent.
   Petition for writ of certiorari to the United States Court of Appeals for the District of Columbia denied.  