WD Pennsylvania December 1989 casesZimmer v. Gruntal Co., Inc.Joy Mfg. Corp. v. Pullman-Peabody Co.Adams v. Ampco-Pittsburgh Corp.Foremost Ins. Co. v. WeetmanMetro. Pittsburgh Crusade v. PittsburghLichtenstein v. Kidder, Peabody Co.E.E.O.C. v. U.S. Steel Corp.