AO Smith Corp. v. SPX CORP.2006 Wisc. App. LEXIS 1133 Wis. Ct. App.2006Check Treatment 727 N.W.2d 373 (2006) 2007 WI App 19 A.O. SMITH CORP. v. SPX CORP.[1]. No. 2005AP2253. Wisconsin Court of Appeals. December 5, 2006. Unpublished opinion. Affirmed. NOTES [1] Petition for Review Filed