Court of Appeals for the Sixth Circuit May 1925 casesMutual Oil Co. v. Empire Petroleum Co.Parker v. ElginWilson v. United StatesRogowsky v. United StatesO'Brien v. FackenthalCarthage Tobacco Works v. Barlow-Moore TobaccoButler v. United StatesCooper v. United StatesFriedman v. United StatesPresident Fellows of Harvard C. v. JewettPioneer Coal Co. v. Taylor CrateTennessee Mining Mfg. Co. v. New River LumberHawkins v. BorthwickCurran v. United StatesPalmer v. United StatesBryant v. United StatesLevinson v. United StatesPrice v. United StatesNew Amsterdam Casualty Company v. United States