D. Minnesota February 1972 casesBrown v. AmesUnited States v. PhilbrookUnited States v. MadsonHercules Inc. v. Minnesota State Highway Dept.Ag-Chem Equipment Co., Inc. v. Hahn, Inc.Ericksen v. Winnebago Industries, Inc.Behagen v. Intercollegiate Conf. of Faculty Rep.United States v. RobinsonChannel 10, Inc. v. GunnarsonVenet v. Local Un. No. 606, U.B. of C. J. of Am.