E. W. Bliss Company v. Struthers-Dunn, Inc., P. G. Bartlett, L. K. Clark, D. E. Henry and J. A. Dinges , 408 F.2d 1108 ( 1969 )
Dymo Industries, Inc. v. Tapeprinter, Inc. , 326 F.2d 141 ( 1964 )
Ross-Whitney Corp. v. Smith Kline & French Laboratories , 207 F.2d 190 ( 1953 )