(February 18, 2016, 1:18 PM EST) -- SCRANTON, Pa. — A professional engineer may not testify to a stock picker’s hydraulic system and electrical drive system but may testify regarding the stock picker’s steering wheel fastening system, a Pennsylvania federal judge ruled Feb. 16, granting and denying in part summary judgment to a manufacturer on strict liability and negligence claims (Patricia English and Richard English v. Crown Equipment Corp., No. 13-0978, M.D. Pa.; 2016 U.S. Dist. LEXIS 18029)....