434 A.2d 906 Vincent L. Killian, Petitioner v. Commonwealth of Pennsylvania, Workmen’s Compensation Appeal Board and Heintz Division, Kelsey Hayes Company, Respondents. Commonwealth Court of Pennsylvania.Argued June 5, 1981 September 22, 1981. Workmen’s compensation — Loss of use — Additional injury — The Pennsylvania Workmen’s Compensation Act, Act of June 2, 1915, P.L. 736 — […]