D. Minnesota May 1969 casesState of Minnesota v. United States Steel Corp.Edison Industries, Inc. v. Chickasha Mobile Homes, Inc.Curtis v. Peerless Insurance CompanyMurphy Management Co. v. United StatesIn re Bichel Optical Laboratories, Inc.United States v. HawleyGeorge Benz Sons v. Twin City Milk Producers Ass'nHauser v. Farwell, Ozmun, Kirk CompanyUnited States v. Nelson