ED Pennsylvania August 1945 casesGuettel v. Philadelphia Warwick Co.Day & Zimmerman, Inc. v. FeracoDoman v. Isthmian S. S. Co.Whitmarsh v. Pennsylvania R. Co.Trachtman v. SamitGutowitz v. Pennsylvania R. Co.Kolb v. Penn Boilers&sBurner Mfg. Corp.Griffith v. William Penn Broadcasting Co.United States v. KesslerKaffenberger v. KremerPerlberg v. Northwestern Mut. Life Ins. Co.Underhill v. TabbuttFowkes v. Dravo Corporation