Haddan, R. (1898). 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 (4th ed.). Harrison and Sons.
Chicago Style (17th ed.) CitationHaddan, Reginald. 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. 4th ed. London: Harrison and Sons, 1898.
MLA (9th ed.) CitationHaddan, Reginald. 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. 4th ed. Harrison and Sons, 1898.