(January 12, 2018, 1:42 PM EST) -- CINCINNATI — A rejection on summary judgment of allegations that a riflescope maker committed trade dress infringement through the design of its knurling was erroneous, the Sixth Circuit U.S. Court of Appeals ruled Jan. 10 (Leapers Inc. v. SMTS LLC, et al., No. 17-1007, 6th Cir., 2018 U.S. App. LEXIS 599)....