Supreme Court of Oklahoma June 1981 casesMason v. Ladd Petroleum Corp.Appeal of EvingerChandler-Frates Reitz v. KostichWillis v. FriedQualls v. Farmers Ins. Co., Inc.Ellis v. Union Oil Co. of CaliforniaRoundtree v. BatesCity Diesel Service v. CollierYuba Heat Transfer v. WigginsB.F. Goodrich v. FrostSTATE EX REL. CARTWRIGHT v. OKLAHOMA INDPRICE v. MIZERichards v. City of LawtonLandrum v. BakerNat. Interstate Life Ins. Co. v. Thomas