R. M. Palmer Company v. Luden's, Inc. , 236 F.2d 496 ( 1956 )
Forestek Plating & Mfg. Co. v. Knapp-Monarch Co. , 106 F.2d 554 ( 1939 )
Battery Patents Corporation v. Coe , 93 F.2d 220 ( 1937 )
Jungersen v. Ostby & Barton Co. , 69 S. Ct. 269 ( 1949 )