Patents, trademarks and copyrights
By: by Frank L. Graham ... and Ford W. Harris.
Contributors: Harris, Ford Whitman.
Edition: 2nd ed.
Publisher: Printed by Young & McCallister]
Published: 1921
Place of publication: [Los Angeles
Language: eng
Number of pages: 118
Subjects: Patents -- United States; Trademarks -- United States; Copyright -- United States