Court of Appeals for the First Circuit April 1978 casesUnited States v. Abrahamsde la Rosa Sanchez v. Eastern Airlines, Inc.USM Corp. v. GKN Fasteners, Ltd.Balthazar v. Superior Court of Com. of MassRuiz Rodriguez v. Litton Indus. Leasing Corp.Puig v. Avis Rent-A-Car SystemLugo-Vina v. Pueblo Intern., Inc.Thornburg v. United StatesUnited States v. DiCarloDel Rio v. Northern Blower Co.N.L.R.B. v. Arrow Elastic Corp.Trustees of Boston University v. N.L.R.B