WD Pennsylvania December 1959 casesPittsburgh Lake Erie R. Co. v. Bhd. of R. Train.Lichter v. Mellon-Stuart Co.United States v. RothmanJones v. United StatesHarshman v. Baltimore & O.R. Co.Ass'n of Westinghouse Sal. Emp. v. Westinghouse El. Corp.In re Uni-Lab, Inc.