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