Supreme Court of Oklahoma May 1970 casesBoard of Trustees of Pol. Pen. Ret. Sys v. FarisBatt v. City of TulsaEast Central Oklahoma Electric Cooperative, Inc. v. Public Service Co. of OklahomaState ex Rel. Oklahoma Bar Ass'n v. ScanlandNorthwestern Mut. Ins. Co of Seattle v. RichardsonYates v. GreenhawAvco Corp. v. SwartzlanderMulkey v. StateTulsa Exposition Fair Corp. v. Bd. of Co. Com'rsMarple v. HinsonKelley v. RisenhooverPerry v. City of Oklahoma CityWalker v. DuncanBill Hodges Truck Company v. WilliamsCarignan v. StateFirestone Tire Rubber Company v. BarnettHall v. Sullivan-Dollars, Inc.