455 F.3d 1107 State of OKLAHOMA, ex rel., The OKLAHOMA TAX COMMISSION, a state agency, Plaintiff-Appellant,v.INTERNATIONAL REGISTRATION PLAN, INC., Defendant-Appellee. No. 04-6320. United States Court of Appeals, Tenth Circuit. July 25, 2006. Joe M. Hampton (Patrick M. Ryan, Timothy J. Bomhoff, Amy J. Pierce, with him on the briefs), Ryan, Whaley & Coldiron, Oklahoma City, […]