WD Pennsylvania March 1981 casesUnited States v. FontanaMatter of Zacherl Coal Co.Crews v. PetroskyPittsburgh Terminal v. Baltimore O.R. Co.Edward Klein Truck & Heavy Equipment Co. v. Pitman Manufacturing Co.Luria Bros. Co., Inc. v. AllenHoots v. Com. of Pa.Koppers Co., Inc. v. Krupp-Koppers GmbH