Automatic Radio Mfg. Co., Inc. v. Hazeltine Research, Inc , 70 S. Ct. 894 ( 1950 )
A-Z Servicenter, Inc. v. Segall , 334 Mass. 672 ( 1956 )
Uno Helgesson v. Jeanne Helgesson , 295 F.2d 37 ( 1961 )