560 A.2d 912 Reva ROSENBLUM, Appellant, v. PORT AUTHORITY OF ALLEGHENY COUNTY and City of Pittsburgh, Appellees. Doris J. RIDDICK, Appellant, v. PORT AUTHORITY OF ALLEGHENY COUNTY, Appellee. Commonwealth Court of Pennsylvania.Argued May 1, 1989.Submitted on Briefs May 1, 1989. Decided June 21, 1989. Appeal from the Common Pleas, Allegheny County, Livingstone M. Johnson and […]