Federal Circuit February 1980 casesPetrofsky v. United StatesMontgomery Coca-Cola Bottling Co. v. U.S.United States v. Sioux TribeRobishaw v. United StatesSacred Heart Hospital v. United StatesGens v. United StatesMason v. United StatesNavajo Tribe of Indians v. United StatesK R Engineering Co., Inc. v. United StatesGreenville Steel Car Co. v. United States