00881nam a2200229Ia 450000100060000000300050000600500170001100800410002801000200006903500200008904000240010905000170013310000400015024500230019025000170021326000430023030000370027350000580031050001170036865000550048570001110054072473BIBL20160527195655.0760204s1937    xx            000 0 eng    a 38000517 rev3*  a(OCoLC)01968149  aDLCcUTLdm.c.dm/c0 aKF;3114b.D410aDeller, Anthony William.wcn2Local10aWalker on patents.  aDeller's ed.0 aNew YorkbBaker, Voorhis, 1937.c1937.  a4 v. (cccxxxix, 3806 p.)c26 cm.  aKept up to date by pocket and cumulative supplements.  aBased on Text-book of the patent laws of the United States of America, by A. H. Walker, first published in 1883. 0aPatent laws and legislationzUnited States.2Local10aWalker, Albert Henryd1844-1915.tText-book of the patent laws of the United States of America.wdn2Local