Walker on patents.
Contributors: Deller, Anthony William.
Edition: Deller's ed. / by Anthony William Deller.
Publisher: Baker, Voorhis
Published: 1937
Place of publication: New York
Language: eng
Subjects: Patent laws and legislation -- United States.
Notes: First published under title: Text-book of the patent laws of the United States of America.

Kept up to date by supplements.

Includes index.