WD Pennsylvania September 1947 casesPeterson v. Baltimore O.R. Co.Sontcvh v. Sharon Steel CorporationAnheuser-Busch, Inc. v. Du Bois Brewing Co.Warlich v. MillerMassachusetts Mut. Life Ins. Co. v. EdnerStafford v. Roadway Transit Co.Bickart v. Union Barge Line Corp.