Walker on patents.
Deller, Anthony William.
Walker on patents. - Deller's ed. - New York Baker, Voorhis, 1937. 1937. - 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.
38000517 rev3*
Patent laws and legislation--United States.
KF;3114 / .D4
Walker on patents. - Deller's ed. - New York Baker, Voorhis, 1937. 1937. - 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.
38000517 rev3*
Patent laws and legislation--United States.
KF;3114 / .D4