ND Texas December 1979 casesCooper v. University of Texas at DallasQuigley v. Braniff Airways, Inc.Fischer v. Rosenthal Co.Fibergrate Corp. v. Research-Cottrell, Inc.United States v. Richardson Independent School Dist.Alford v. City of Lubbock, Tex.Tatro v. State of Tex.Davis v. City of DallasDr. Ing. h.c.F. Porsche AG v. Zim