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