Supreme Court of North Dakota December 1968 casesState v. HelmensteinShermoen v. LindsayWilliams Bros. Pipe Line Co. v. City of Grand ForksSatrom v. City of Grand ForksGraven v. BackusKoland v. JohnsonMitzel v. SchatzIn re Estate of JensenKeller v. KellerThompson v. Nettum