{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Democratization of Invention: Patents and Copyrights in American Economic Development, 1790-1920 (NBER Series on Long-Term Factors in Economic Development)","author_name":"B. Zorina Khan","thumbnail_url":"https://www.ebooknetworking.net/books/052/181/big052181135X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-052181135X.html\">The Democratization of Invention: Patents and Copyrights in American Economic Development, 1790-1920 (NBER Series on Long-Term Factors in Economic Development)</a>","width":400,"height":300}