WD Pennsylvania February 1962 casesUnited States v. BolsingerUnited States v. SullivanKline v. S.M. Flickinger, Inc.United States v. MaroneyPittsburgh Hotels Ass'n v. Urban Redevelop. Auth.Prudential Insurance Co. of America v. SerfassMamula v. Local 1211, United Steelworkers of Am.