Carbice Corp. of America v. American Patents Development Corp. , 51 S. Ct. 334 ( 1931 )
Pyrene Mfg. Co. v. Urquhart , 69 F. Supp. 555 ( 1946 )
Leitch Manufacturing Co. v. Barber Co. , 58 S. Ct. 288 ( 1938 )