Supreme Court of Illinois November 1978 casesDu-Mont Ventilating Co. v. Department of RevenueAhlers v. Sears, Roebuck Co.Scuderi v. Industrial ComBoyer v. BoyerBarthel v. Ill. Cent. Gulf R.R. Co.Caterpillar Tractor Co. v. Ind. ComUnited Electric Coal Co. v. Ind. ComPeople v. TamayoGreenway v. Industrial ComSzabo v. Industrial ComJohnson v. La Grange State BankKeystone Steel Wire Co. v. Ind. ComCorcoran v. Village of LibertyvillePeople v. BilyewPozner v. MauckKeystone Steel Wire Co. v. Ind. Com