ND Illinois April 1970 casesScott Truck Line, Inc. v. Chicago, R. I.s&sP. R. Co.Technitrol, Inc. v. Aladdin Industries, Inc.Burroughs Corporation v. Newark Electronics Corp.Alexander v. SwankResearch Corp. v. Pfister Assoc. Growers, Inc.Geneva Industries, Inc. v. Copeland Constr. Corp.J.W. Petersen Coal Oil Co. v. United StatesCoalition for United Community Action v. RomneyErie Technological Prod., v. Die Craft Metal Prod.Dole Valve Co. v. Perfection Bar Equipment, Inc.