(October 15, 2015, 9:47 AM EDT) -- MIAMI — Two artists assert in a Sept. 28 brief filed in a Florida federal court that their works did not copy a rival’s design in their campaign for Apple Inc. and are significantly different from their rival’s artwork (Britto Central, Inc. v. Craig Redman, et al., No. 15-21320, S.D. Fla.)....