Federal Circuit October 1975 casesITT ARCTIC SERVICES, INC. v. UNITED STATESUnion Pac. R. Co., Inc. v. United StatesPenn Sec. Life Ins. Co. v. United StatesWestwood Chemical, Inc. v. United StatesDEL MAR ENGINEERING LABORATORIES v. U.S.Agway, Inc. v. United StatesFranklin E. Penny Co. v. United StatesConsumer Life Ins. Co. v. United StatesZuckman v. United StatesNorthern Helex Company v. United States