Inventive activity and the market for technology in the United States 1840 - 1920 - Lamoreaux, Naomi R. 1950-; Sokoloff, Kenneth L. (National Bureau of Economic Research, 1999)
Keywords: Geschichte 1800-1900; Geschichte 1840-1920; Brevets d'invention - Aspect économique - États-Unis - Histoire - 19e siècle; Innovations - Aspect économique - États-Unis - Histoire - 19e siècle; Inventions - Aspect économique - États-Unis - Histoire - 19e siècle; Geschichte; Wirtschaft; Inventions -- Economic aspects -- United States -- History -- 19th century; Patent laws and legislation -- Economic aspects -- United States -- History -- 19th century; Technological innovations -- Economic aspects -- United States -- History -- 19th century; Technischer Fortschritt; États-Unis - Conditions économiques - 1865-1918; États-Unis - Conditions économiques - Jusqu'en 1865; USA; United States -- Economic conditions -- 1865-1918; United States -- Economic conditions -- To 1865