
    Nos. 257, 258 and 259.
    Minnesota Mining & Manufacturing Co. v. Coe, Commissioner of Patents.
    October 13, 1941.
    
      Messrs. Paul Carpenter and Harold J. Kinney for petitioner. Assistant Solicitor General Fahy, Assistant Attorney General Shea, and Messrs. Melvin H. Siegel and Paul A. Sweeney for respondent.
   Petition for writs of certiorari to the Court of Appeals for the District of Columbia denied.

Me. Justice Jackson took no part in the consideration and decision of this application.  