The nature of patentable invention : its attributes and definition.

Bibliographic Details
Main Author: Hayes, John Edward Rollins, 1873-
Format: Book
Language:English
Published: Cambridge, Mass. : Addison-Wesley Press, 1948.
Edition:2d ed.
Subjects:
Description
Item Description:First edition, 1941, has title: A definition of invention.
Physical Description:187 pages ; 24 cm.