Federal Circuit July 1981 casesXerox Corp. v. United StatesLouisiana-Pacific Corp. v. United StatesRowe v. United StatesBickford v. United StatesYaist v. United StatesFoote Mineral Co. v. United StatesRidgewell's Inc. v. United StatesAmerican Ship Bldg. Co. v. United StatesKnogo Corp. v. United StatesFairfield Scientific Corp. v. United StatesEvensen v. United StatesGarbacz v. United States