{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Patent#2105120, Granted To Arnold E.W. Johnson of Chicago, IL, Assignor to International Harvestor Company, for an Alleged New & Useful Improvements In Furrow Openers for Grain Drills: Patent Certificate Dated January 11, 1938","author_name":"United States Patent Office","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0081GGRHK.html\">Patent#2105120, Granted To Arnold E.W. Johnson of Chicago, IL, Assignor to International Harvestor Company, for an Alleged New &amp; Useful Improvements In Furrow Openers for Grain Drills: Patent Certificate Dated January 11, 1938</a>","width":400,"height":300}