WD Pennsylvania July 1979 casesLiotta v. National Forge Co.Schneider, Inc. v. Research-Cottrell, Inc.Lewis Mfg. Co., Inc. v. Chisholm-Ryder Co., Inc.Salzman v. StetsonLorentz v. Westinghouse Elec. Corp.Matter of Urick PropertyIntern. Ass'n of Bridge, Etc. v. Koski Const. Co.Prochaska v. FediaczkoClarke v. G.A. Kayser Sons, Inc.Daytona Automotive Fiberglass v. Fiberfab, Inc.