Inventive activity and the market for technology in the United States, 1840-1920
Inventive activity and the market for technology in the United States, 1840-1920
Details
- OL Work ID
- OL3941969W
Subjects
Economic aspects of InventionsEconomic aspects of Patent laws and legislationEconomic aspects of Technological innovationsEconomic conditionsHistoryInventionsPatent laws and legislationTechnological innovations