Court of Appeals for the Third Circuit September 1931 casesSanta FÉ Electric Co. v. Gen. Elec. Co.South Penn Collieries Co. v. SproulGeorge K. Hale Mfg. Co. v. Hafleigh Co.PENNSYLVANIA, ETC. v. COMMR. OF INTERNAL REVPerpetual Bldg. Loan Ass'n v. Irving Tr. Co.MacLaughlin v. WilliamsJohnson v. Commissioner of Internal RevenueErie Iron Steel v. Cambridge Steel ProductsBristol v. Otis Elevator Co.Thoms v. SutherlandDesmond Incandescent Lamp Co. v. Gen. Elec. Co.Johnson v. Commissioner of Internal RevenueKosak v. United StatesTaylor v. Commissioner of Internal RevenueA.B. Kirschbaum Co. v. United States