Supreme Court of Oklahoma April 2001 casesMack Oil Co. v. GarvinBarringer v. Baptist Healthcare of OklahomaLear Siegler Services, Inc. v. NanceGates v. EllerDavis ex rel. Davis v. CMS Continental Natural Gas, Inc.Kaiser v. KaiserAbbott v. AbbottFent v. Oklahoma Natural Gas Co.Standefer v. Standefer