520 A.2d 958 Investors Diversified Services and Travelers Insurance Company, Petitioners v. Workmen’s Compensation Appeal Board (Howar) (Hoar) and Nationwide Insurance Company and Northwestern National Life Insurance Company, Respondents. Commonwealth Court of Pennsylvania.Argued October 9, 1986 February 9, 1987. Workmen’s compensation — Course of employment — Traveling worker — Presumption — Scope of appellate review […]