(August 21, 2015, 11:54 AM EDT) -- SAN ANTONIO — A trial judge erred in granting summary judgment to The Goodyear Tire & Rubber Co. on negligent and defective design claims in a products liability case, a Texas appeals panel ruled Aug. 19, finding that the judge also erred in excluding the testimony of a tire expert that served to show support for the claims (Rosa Obregon Perez, et al. v. The Goodyear Tire & Rubber Co., No. 04-14-00620, Texas App., 4th Dist.; 2015 Tex. App. LEXIS 8689)....