Zellmer v. Acme Brewing Co. , 184 F.2d 940 ( 1950 )
Magnetic Engineering & Mfg. Co. v. Dings Magnetic Separator Co. , 86 F. Supp. 13 ( 1950 )
System Operations, Inc. v. Scientific Games Development Corp. , 414 F. Supp. 750 ( 1976 )