Med-Mar, Inc. v. DILWORTH , 214 Pa. Super. 402 ( 1969 )
Stack v. Wapner , 244 Pa. Super. 278 ( 1976 )
Commonwealth v. Thomas , 444 Pa. 436 ( 1971 )
davis-enterprises-sun-pipe-line-company-sun-company-inc-ea-design , 877 F.2d 1181 ( 1989 )