643 A.2d 136 MODERN SHOPPERS WORLD-MT. AIRY CORPORATION and Granite State Insurance Company, as subrogee of Modern Shoppers World-Mt. Airy Corporation v. PHILADELPHIA GAS WORKS and Philadelphia Facilities Management Corporation APPEAL OF GRANITE STATE INSURANCE COMPANY, Appellant. Commonwealth Court of Pennsylvania.Argued February 2, 1994. Decided May 23, 1994. Reargument Denied July 20, 1994. Petition for […]