Regal Tube Co. v. Grohne753 F.2d 1076 7th Cir.1984Check Treatment753 F.2d 1076 Regal Tube Co.v.Grohne 81-2009, 81-2148, 82-2183 United States Court of Appeals,Seventh Circuit. 12/12/84 U.S.S.Ct., 104 S.Ct. 2731 REMANDED