Mealey's (September 18, 2017, 11:01 AM EDT) -- OKLAHOMA CITY — A company that is the third-party defendant in a lawsuit brought by a man who alleges that he suffered chemical injuries from a lithium battery pack that exploded on a hydraulic fracturing rig filed a brief in Oklahoma federal court on Sept. 13, contending that the fracking company’s motion for summary judgment should be denied because “at the very least” an issue of fact remains regarding whether the fracking company’s design changes to the battery pack were a proximate cause of the explosion at issue (Jacob McGehee, et al. v. Southwest Electronic Energy Corporation, et al. and Southwest Electronic Energy Corporation v. Engineered Power LP, et al., No. 15-145, W.D. Okla.)....