ND Illinois January 1940 casesG.S. Suppicer Co. v. Morton Salt Co.Sears, Roebuck & Co. v. HarrisonSchmitt v. Continental-Diamond Fibre Co.Hindleman v. Specialty Salesman Magazine, Inc.Texas & P. Ry. Co. v. Elgin, J. & E. Ry. Co.Waller v. GalterBarry v. General Tire Rubber Co.