Federal Circuit December 1968 casesChris Berg, Inc. v. United StatesBailey Specialized Buildings v. United StatesBoyce v. United StatesChicago, Milwaukee, St. Paul v. U.S.Bell v. United StatesArnold v. United StatesBarrett v. United StatesBurton v. United StatesKoppers Company v. United StatesGimbel Brothers, Inc. v. United States