Munoz v. Porto Rico Ry. Light & Power Co. , 83 F.2d 262 ( 1936 )
Mansfield Hardwood Lumber Company v. Hattie A. Johnson , 242 F.2d 45 ( 1957 )
Mytinger & Casselberry, Inc. v. Numanna Laboratories Corp. , 215 F.2d 382 ( 1954 )