ND Illinois May 1949 casesLife Savers Corporation v. Curtiss Candy Co.Shoop v. Sycamore Preserve Works CorporationMadison Patent Corp. v. Harry Williams Mfg. Co.United States v. Linde Air Products Co.De Korwin v. First Nat. Bank of ChicagoTuthill v. WilseyBenjamin v. Duester