WD Pennsylvania December 1959 casesUnited States v. RothmanPittsburgh Lake Erie R. Co. v. Bhd. of R. Train.Lichter v. Mellon-Stuart Co.Jones v. United StatesAss'n of Westinghouse Sal. Emp. v. Westinghouse El. Corp.Harshman v. Baltimore & O.R. Co.In re Uni-Lab, Inc.