Aetna Life Insurance v. Haworth , 57 S. Ct. 461 ( 1937 )
Skelly Oil Co. v. Phillips Petroleum Co. , 70 S. Ct. 876 ( 1950 )
Public Serv. Comm'n of Utah v. Wycoff Co. , 73 S. Ct. 236 ( 1952 )