634 A.2d 714 USAir, INC. and American Motorist Insurance Company, Petitioners, v. WORKMEN’S COMPENSATION APPEAL BOARD (SCHWARZ), Respondent. Commonwealth Court of Pennsylvania.Argued June 17, 1993. Decided November 23, 1993. Appeal from the Workmen’s Compensation Appeal Board, A91-1229. Page 101 Mark J. Neuberger and Patricia L. Wozniak, for petitioners. Joseph S. Hornack, for respondent. Before McGINLEY […]