http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f70-subject=Sewing machines -- Patents) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f70-subject%3DSewing%20machines%20--%20Patents Results for your query: docsPerPage=100;f70-subject=Sewing machines -- Patents Thu, 01 Jan 1970 12:00:00 GMT Two reissued patents for improvements in sewing machines: granted to Allen B. Wilson, January 22, 1856-No. 346, and December 9, 1856-No. 414. Wilson, Allen B. https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT