Nature of patentable invention, its attributes and definition

Bibliographische Detailangaben
1. Verfasser:	Hayes, John Edward Rollins, 1873-
Format:	Buch
Sprache:	English
Veröffentlicht:	Cambridge, Mass. Addison-Wesley Press, Inc. 1948.
Ausgabe:	"Second edition.".
Schlagworte:	Inventions. Patent laws and legislation - United States.