01093cam a22003251 4500 7950843 BD-DhUL 20161211180402.0 750825s1959 njua 000 0 eng 59013491 GB59-15986 (OCoLC)1571954 DLC F OCoLC Uk Uk BD-DhUL premarc T212 .B44 608.773 BEI Berle, Alf K. (Alf Keyser), 1905- Inventions, patents, and their management / by Alf K. Berle and L. Sprague de Camp. Princeton, N.J.: Van Nostrand, 1959. 602 p. illus. 22 cm. "Based on ... [the authors'] Inventions and their management." Patents United States. Inventions. Patent laws and legislation United States. Trademarks United States. Copyright United States. De Camp, L. Sprague (Lyon Sprague), 1907-2000, joint author. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 134086 134086 0 0 ddc 0 608_773000000000000_BEI 0 NFIC 251909 DUL DUL GEN 2016-12-11 608.773 BEI A24944 2016-12-11 2016-12-11 BK