The inventor's adviser and manufacturer's handbook to patents, designs & trade marks :
being an instructional guide to the commercial development of inventions, their protection by patents at home and abroad and the valuation and disposal of patent rights, including particulars of the patent law and practice in Great Britain, and all foreign countries and colonies, requirements for registration of designs and trade marks, and appendices of forms for every country, sizes of drawings, etc. /
by Reginald Haddan.

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