480 A.2d 1285 Stephen Mosgo, Petitioner v. Workmen’s Compensation Appeal Board (Tri-Area Beverage, Inc.), Respondents. Commonwealth Court of Pennsylvania.Argued May 3, 1984 August 1, 1984. Workmen’s compensation — Reservation of rights — Burden of proof — Failure to file proper Notice of Compensation Payable — The Pennsylvania Workmen’s Compensation Act, Act of June 2, 1915, […]