Berle, Alf K. 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."
59013491
GB59-15986
Patents--United States.
Inventions.
Patent laws and legislation--United States.
Trademarks--United States.
Copyright--United States.
T212 / .B44
608.773 / BEI
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."
59013491
GB59-15986
Patents--United States.
Inventions.
Patent laws and legislation--United States.
Trademarks--United States.
Copyright--United States.
T212 / .B44
608.773 / BEI