Court of Appeals for the Third Circuit June 1931 casesUnited States v. EngelsbergLehigh Valley R. Co. v. JonesCohen v. United StatesMaryland Cas. v. New Jersey Shipbuilding DKotabs v. Kotex Co.Clapp v. HeinerBadamo v. FormanRiggs v. Commissioner of Internal RevenueScalp Level Coal Min. v. New Eng. Coal CokeBrown v. Commissioner of Internal RevenueUnited States v. DayE.I. DU PONT DE NEMOURS CO. v. HUGHES
