249 F.3d 625 (7th Cir. 2001) S INDUSTRIES, INC., Plaintiff-Appellant,v.CENTRA 2000, INCORPORATED and AUTO-TROL TECHNOLOGY, INCORPORATED, Defendants-Appellees. No. 00-2462 In the United States Court of Appeals For the Seventh Circuit Argued February 27, 2001Decided May 1, 2001 Appeal from the United States District Court for the Northern District of Illinois, Eastern Division. No. 96 C […]