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