D. Minnesota September 1955 casesUnited States v. BrennanWaco Mfg. Co. v. Symons Clamps&sMfg. Co.Butler Bros. v. KelmWarner v. First National Bank of MinneapolisPacific Gamble Robinson Co. v. Minneapolis & St.L.Ry.Co.Rhinehart Development Corp. v. General Metalware Co.