Deller, Anthony William. creator text xx New York Baker, Voorhis, 1937. 1937 Deller's ed. monographic eng

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4 v. (cccxxxix, 3806 p.) 26 cm. Kept up to date by pocket and cumulative supplements. Based on Text-book of the patent laws of the United States of America, by A. H. Walker, first published in 1883. Patent laws and legislation United States KF;3114 .D4 Walker, Albert Henry 1844-1915 38000517 rev3* DLC 760204 20160527195655.0 72473