MD Pennsylvania December 1978 casesRusack v. HarshaDiversified Environments v. Olivetti, Etc.Visor Builders, Inc. v. Devon E. Tranter, Inc.Liberty Curtin Concerned Parents v. Keystone Central School Dist.Monks v. United States Parole Com'nJetson Mfg. Co. v. MurphyFur Dressers Union Local 2F v. DeGeorge