(April 13, 2017, 12:19 PM EDT) -- ST. LOUIS — On a second appeal before the Eighth Circuit U.S. Court of Appeals regarding the ownership of a trademark connected with plastic products in the poultry field, two plastic manufacturing companies filed briefs arguing whether an Iowa federal judge properly clarified an earlier ruling on remand and awarded attorney fees under state law based on the defendant’s harassment of the plaintiff (East Iowa Plastics Inc. v. PI Inc., No. 16-4574, 8th Cir.)....