383 F.3d 673 Kevin C. CARTER, Plaintiff-Appellant,v.TENNANT COMPANY, Defendant-Appellee. No. 03-2791. United States Court of Appeals, Seventh Circuit. Argued January 6, 2004. Decided September 13, 2004. Appeal from the United States District Court for the Northern District of Illinois, Harry D. Leinenweber, J. COPYRIGHT MATERIAL OMITTED Ivan M. Rittenberg (argued), Rittenberg, Buffen & Gulbrandsen, Chicago, […]