This opinion cites 21 cases:

Pilipovich v. Pittsburgh Coal Co. ( 1934 )


Ravis v. Shehulskie ( 1940 )


Pezzulli v. D'Ambrosia ( 1942 )


Gaydos v. Domabyl ( 1930 )


Geiger v. Schneyer ( 1959 )


Smail v. Flock ( 1962 )


George R. Darbrow, a Minor, by Minerva L. Brown, His Guardian v. Douglas A. McDade ( 1958 )


Lawrence B. Thomas, and Cross-Appellant v. E. J. Korvette, Inc., and Cross-Appellee ( 1973 )


Don Chuy, in No. 77-1412 v. The Philadelphia Eagles Football Club (Sued as "The Philadelphia Eagles"), in No. 77-1411 and the National Football League ( 1979 )


frank-g-greco-v-bucciconi-engineering-co-inc-a-corporation-v-wean ( 1969 )


Gasoline Products Co. v. Champlin Refining Co. ( 1931 )


Ford v. Jeffries ( 1977 )


Whitner v. Lojeski ( 1970 )


Kaczkowski v. Bolubasz ( 1980 )


Neville Chemical Company v. Union Carbide Corporation ( 1970 )


William J. Curnow, Administrator of the Estate of Martha M. McCoy Deceased v. West View Park Company ( 1964 )


Lewis M. Wagner v. Reading Company ( 1970 )


Robert C. Merriweather v. E. W. Bliss Company, Gulf & Western Manufacturing Company and Gulf & Western Industries, Inc. v. General Electric Company ( 1980 )


Jewell Francis Dunlap v. G. & C. Towing, Inc., a Corporation ( 1980 )


Azzarello v. Black Bros. Co., Inc. ( 1978 )