Federal Circuit January 1973 casesChevron Oil Company v. United StatesDu Pont de Nemours Co. v. United StatesSkaradowski v. United StatesMiller v. United StatesTrans Ocean Van Service v. United StatesAstro Science Corporation v. United StatesYoung Associates, Inc. v. United StatesSeminole Indians of Florida v. United StatesITT GILFILLAN, INC. v. UNITED STATESCason v. United StatesH.B. Zachry Company v. United States