399 A.2d 829 Charles L. Feather and Ritchey Trucking, Inc., Petitioners v. Pennsylvania Public Utility Commission and Samuel J. Lansberry, Inc., Respondents. Commonwealth Court of Pennsylvania.Argued March 8, 1979 April 9, 1979. Public utilities — Transfer of rights — Abandonment of authority — Necessity — Presumption. 1. Mere absence of use of authority granted by […]