ED Pennsylvania September 1948 casesLudgate v. MillerPhilco Corporation v. American Telephone Tel. Co.F. G. Vogts&sSons, Inc. v. United StatesWindmassinger v. H. S. Gettys&sCo.Gaynor v. Atlantic Greyhound Corp.Campbell Soup Co. v. Armour Co.Rodgers v. United StatesArmstrong Cork Co. v. Farrell Line, Inc.Fornwalt v. Reading Co.