U.S. Supreme Court March 1980 casesUnited States v. ApfelbaumVance v. Universal Amusement Co.GTE Sylvania, Inc. v. Consumers Union of the United States, Inc.Mutual of Omaha Ins. Co. v. EganDeposit Guaranty Nat. Bank v. RoperUnited States Parole Comm'n v. GeraghtyBloomer v. Liberty Mutual Ins. Co.Rummel v. EstelleUnited States v. ClarkeBranti v. FinkelChiarella v. United StatesHarvey v. HarrisAlston v. United StatesMobil Oil Corp. v. Commissioner of Taxes