Court of Appeals for the Tenth Circuit July 1949 casesSlater v. Denver Bldg. Constr. Tr. CouncilHeald v. United StatesCohen v. Commissioner of Internal RevenueByers v. United StatesLucas v. Western Casualty Surety Co.Cities Service Gas Co. v. Federal Power CommCom. of Int. Rev. v. Texas-EmpireStanolind Oil Gas Co. v. SellersTringali v. Board of County CommissionersJohnson v. State Farm Life Ins. Co.United States v. 4 Devices, labeled in part “Color-Therm”Insul-Wool Insulation v. Home Insulation